deps: update dependency org.springframework.boot:spring-boot-starter-…

…thymeleaf to v2.6.4 (#721)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.springframework.boot:spring-boot-starter-thymeleaf](https://spring.io/projects/spring-boot) ([source](https://togithub.com/spring-projects/spring-boot)) | `2.6.3` -> `2.6.4` | [![age](https://badges.renovateapi.com/packages/maven/org.springframework.boot:spring-boot-starter-thymeleaf/2.6.4/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.springframework.boot:spring-boot-starter-thymeleaf/2.6.4/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.springframework.boot:spring-boot-starter-thymeleaf/2.6.4/compatibility-slim/2.6.3)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.springframework.boot:spring-boot-starter-thymeleaf/2.6.4/confidence-slim/2.6.3)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>spring-projects/spring-boot</summary>

### [`v2.6.4`](https://togithub.com/spring-projects/spring-boot/releases/v2.6.4)

[Compare Source](https://togithub.com/spring-projects/spring-boot/compare/v2.6.3...v2.6.4)

#### 🐞 Bug Fixes

-   Default JmxAutoConfiguration changes JConsole hierarchy for multi-property `@ManagedResource` object names [#&#8203;29970](https://togithub.com/spring-projects/spring-boot/issues/29970)
-   The active profiles log message is ambiguous when a profile's name contains a comma [#&#8203;29915](https://togithub.com/spring-projects/spring-boot/issues/29915)
-   `@SpyBean` causes BeanCurrentlyInCreationException when there are circular references [#&#8203;29909](https://togithub.com/spring-projects/spring-boot/issues/29909)
-   Failed application contexts are not deregistered from SpringApplicationShutdownHook [#&#8203;29905](https://togithub.com/spring-projects/spring-boot/issues/29905)
-   Gradle Plugin triggers eager configuration of some tasks [#&#8203;29817](https://togithub.com/spring-projects/spring-boot/issues/29817)
-   MimeMapping for ots has a trailing space in its mime type [#&#8203;29750](https://togithub.com/spring-projects/spring-boot/issues/29750)
-   A fat jar built with Gradle moves META-INF beneath BOOT-INF/classes while Maven leaves it at the jar's root [#&#8203;29748](https://togithub.com/spring-projects/spring-boot/issues/29748)
-   Dependency management for Liquibase does not include its liquibase-cdi module [#&#8203;29741](https://togithub.com/spring-projects/spring-boot/issues/29741)
-   server.tomcat.use-relative-redirects=true not honored when server.forward-headers-strategy=framework [#&#8203;29731](https://togithub.com/spring-projects/spring-boot/issues/29731)
-   Ignore invalid stream types when reading log update events [#&#8203;29691](https://togithub.com/spring-projects/spring-boot/issues/29691)
-   bootJar, bootRun, and bootWar do not pick up changes to the main source set's runtime classpath that are made after Boot's plugin has been applied [#&#8203;29679](https://togithub.com/spring-projects/spring-boot/issues/29679)
-   WebSessionIdResolverAutoConfiguration should only be active in a reactive web application [#&#8203;29669](https://togithub.com/spring-projects/spring-boot/issues/29669)
-   ErrorPageSecurityFilter cannot be destroyed in a Servlet 3.1 compatible container [#&#8203;29558](https://togithub.com/spring-projects/spring-boot/issues/29558)
-   Health Web Endpoint Extension Failed to Initialize When Some Conditions Hit [#&#8203;29532](https://togithub.com/spring-projects/spring-boot/issues/29532)

#### 📔 Documentation

-   Document that placeholders in `@DefaultValue` annotations are not resolved [#&#8203;29980](https://togithub.com/spring-projects/spring-boot/issues/29980)
-   Clarify relation of import path to resultant properties in configtree import data [#&#8203;29978](https://togithub.com/spring-projects/spring-boot/issues/29978)
-   bootRun example should use mainClass, rather than main which was deprecated in Gradle 7.1 [#&#8203;29966](https://togithub.com/spring-projects/spring-boot/issues/29966)
-   Rectify incorrect sanitizing regex example provided in how-to docs [#&#8203;29959](https://togithub.com/spring-projects/spring-boot/issues/29959)
-   "Customizing the Banner" should make it more obvious that any environment property can be used [#&#8203;29934](https://togithub.com/spring-projects/spring-boot/issues/29934)
-   Update javadoc to reflect move from WebSecurityConfigurerAdapter to SecurityFilterChain [#&#8203;29901](https://togithub.com/spring-projects/spring-boot/issues/29901)
-   Link directly to the Integration Properties section of the appendix when cross-referencing Kafka properties [#&#8203;29807](https://togithub.com/spring-projects/spring-boot/issues/29807)
-   Update documentation to reflect Hibernate's CamelCaseToUnderscoresNamingStrategy now being used by default [#&#8203;29743](https://togithub.com/spring-projects/spring-boot/issues/29743)
-   Add documentation for WebMvc.fn [#&#8203;29728](https://togithub.com/spring-projects/spring-boot/issues/29728)
-   Move appendix subsections under appendix section [#&#8203;29689](https://togithub.com/spring-projects/spring-boot/issues/29689)
-   In Gradle plugin docs, replace classifier (deprecated) with archiveClassifier in examples [#&#8203;29685](https://togithub.com/spring-projects/spring-boot/issues/29685)
-   Warn about the dangers of early bean initialization when using `@ConditionalOnExpression` [#&#8203;29616](https://togithub.com/spring-projects/spring-boot/issues/29616)
-   Rename Boxfuse to CloudCaptain [#&#8203;29539](https://togithub.com/spring-projects/spring-boot/issues/29539)
-   Upgrade version of gradle-git-properties in reference doc [#&#8203;29537](https://togithub.com/spring-projects/spring-boot/issues/29537)

#### 🔨 Dependency Upgrades

-   Upgrade to ActiveMQ 5.16.4 [#&#8203;29937](https://togithub.com/spring-projects/spring-boot/issues/29937)
-   Upgrade to AppEngine SDK 1.9.95 [#&#8203;29938](https://togithub.com/spring-projects/spring-boot/issues/29938)
-   Upgrade to Artemis 2.19.1 [#&#8203;29784](https://togithub.com/spring-projects/spring-boot/issues/29784)
-   Upgrade to Couchbase Client 3.2.5 [#&#8203;29785](https://togithub.com/spring-projects/spring-boot/issues/29785)
-   Upgrade to Dropwizard Metrics 4.2.8 [#&#8203;29786](https://togithub.com/spring-projects/spring-boot/issues/29786)
-   Upgrade to Glassfish JAXB 2.3.6 [#&#8203;29787](https://togithub.com/spring-projects/spring-boot/issues/29787)
-   Upgrade to Hibernate 5.6.5.Final [#&#8203;29788](https://togithub.com/spring-projects/spring-boot/issues/29788)
-   Upgrade to Hibernate Validator 6.2.2.Final [#&#8203;29789](https://togithub.com/spring-projects/spring-boot/issues/29789)
-   Upgrade to HttpClient5 5.1.3 [#&#8203;29790](https://togithub.com/spring-projects/spring-boot/issues/29790)
-   Upgrade to Jetty 9.4.45.v20220203 [#&#8203;29791](https://togithub.com/spring-projects/spring-boot/issues/29791)
-   Upgrade to Jetty Reactive HTTPClient 1.1.11 [#&#8203;29939](https://togithub.com/spring-projects/spring-boot/issues/29939)
-   Upgrade to Johnzon 1.2.16 [#&#8203;29793](https://togithub.com/spring-projects/spring-boot/issues/29793)
-   Upgrade to Json-smart 2.4.8 [#&#8203;29794](https://togithub.com/spring-projects/spring-boot/issues/29794)
-   Upgrade to Maven Javadoc Plugin 3.3.2 [#&#8203;29795](https://togithub.com/spring-projects/spring-boot/issues/29795)
-   Upgrade to Micrometer 1.8.3 [#&#8203;29718](https://togithub.com/spring-projects/spring-boot/issues/29718)
-   Upgrade to MongoDB 4.4.2 [#&#8203;29796](https://togithub.com/spring-projects/spring-boot/issues/29796)
-   Upgrade to Neo4j Java Driver 4.4.3 [#&#8203;29797](https://togithub.com/spring-projects/spring-boot/issues/29797)
-   Upgrade to Netty 4.1.74.Final [#&#8203;29798](https://togithub.com/spring-projects/spring-boot/issues/29798)
-   Upgrade to Netty tcNative 2.0.50.Final [#&#8203;29974](https://togithub.com/spring-projects/spring-boot/issues/29974)
-   Upgrade to Postgresql 42.3.3 [#&#8203;29941](https://togithub.com/spring-projects/spring-boot/issues/29941)
-   Upgrade to Reactor 2020.0.16 [#&#8203;29717](https://togithub.com/spring-projects/spring-boot/issues/29717)
-   Upgrade to SLF4J 1.7.36 [#&#8203;29801](https://togithub.com/spring-projects/spring-boot/issues/29801)
-   Upgrade to Spring Batch 4.3.5 [#&#8203;29724](https://togithub.com/spring-projects/spring-boot/issues/29724)
-   Upgrade to Spring Data 2021.1.2 [#&#8203;29721](https://togithub.com/spring-projects/spring-boot/issues/29721)
-   Upgrade to Spring Framework 5.3.16 [#&#8203;29719](https://togithub.com/spring-projects/spring-boot/issues/29719)
-   Upgrade to Spring Integration 5.5.9 [#&#8203;29963](https://togithub.com/spring-projects/spring-boot/issues/29963)
-   Upgrade to Spring Kafka 2.8.3 [#&#8203;29722](https://togithub.com/spring-projects/spring-boot/issues/29722)
-   Upgrade to Spring LDAP 2.3.6 [#&#8203;29720](https://togithub.com/spring-projects/spring-boot/issues/29720)
-   Upgrade to Spring Security 5.6.2 [#&#8203;29723](https://togithub.com/spring-projects/spring-boot/issues/29723)
-   Upgrade to Spring Session 2021.1.2 [#&#8203;29725](https://togithub.com/spring-projects/spring-boot/issues/29725)
-   Upgrade to Thymeleaf 3.0.15.RELEASE [#&#8203;29802](https://togithub.com/spring-projects/spring-boot/issues/29802)
-   Upgrade to Tomcat 9.0.58 [#&#8203;29803](https://togithub.com/spring-projects/spring-boot/issues/29803)
-   Upgrade to Undertow 2.2.16.Final [#&#8203;29804](https://togithub.com/spring-projects/spring-boot/issues/29804)

#### ❤️ Contributors

We'd like to thank all the contributors who worked on this release!

-   [@&#8203;dreis2211](https://togithub.com/dreis2211)
-   [@&#8203;UbaidurRehman1](https://togithub.com/UbaidurRehman1)
-   [@&#8203;mhalbritter](https://togithub.com/mhalbritter)
-   [@&#8203;quaff](https://togithub.com/quaff)
-   [@&#8203;axelfontaine](https://togithub.com/axelfontaine)
-   [@&#8203;lachlan-roberts](https://togithub.com/lachlan-roberts)
-   [@&#8203;jvalkeal](https://togithub.com/jvalkeal)
-   [@&#8203;mihailcornescu](https://togithub.com/mihailcornescu)
-   [@&#8203;izeye](https://togithub.com/izeye)
-   [@&#8203;larsgrefer](https://togithub.com/larsgrefer)
-   [@&#8203;halcyon22](https://togithub.com/halcyon22)
-   [@&#8203;polarbear567](https://togithub.com/polarbear567)
-   [@&#8203;gcoppex](https://togithub.com/gcoppex)
-   [@&#8203;terminux](https://togithub.com/terminux)

</details>

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samples/snippets/cloud-client/src/pom.xml

@@ -111,7 +111,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-thymeleaf</artifactId>
-      <version>2.6.3</version>
+      <version>2.6.4</version>
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>