Bump org.springframework.boot:spring-boot from 2.6.6 to 2.7.18

Bumps [org.springframework.boot:spring-boot](https://github.com/spring-projects/spring-boot) from 2.6.6 to 2.7.18.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.6.6...v2.7.18)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -22,7 +22,7 @@
         <version.kotlin>1.6.10</version.kotlin>
         <version.kotlinx-coroutines-core>1.6.0-native-mt</version.kotlinx-coroutines-core>
         <version.sslcontext-kickstart>8.1.1</version.sslcontext-kickstart>
-        <version.spring>2.6.6</version.spring>
+        <version.spring>2.7.18</version.spring>
         <version.slf4j>1.7.33</version.slf4j>
         <version.apache.httpclient>4.5.13</version.apache.httpclient>
         <version.cucumber>7.2.3</version.cucumber>