Allow unit tests to run under Java 21+, upgrade Mockito and some othe…

…r libraries.

pom.xml

@@ -14,8 +14,6 @@
  <maven.version>3.8.6</maven.version>
  <java.version>11</java.version>
 
- <jackson.version>2.13.3</jackson.version>
-
  <!-- Recent enough so that it can run with all the way up to JDK 19 -->
  <invoker.groovy.version>3.0.13</invoker.groovy.version>
 
@@ -39,7 +37,35 @@
  <dependency>
  <groupId>org.junit</groupId>
  <artifactId>junit-bom</artifactId>
- <version>5.9.0</version>
+ <version>5.10.2</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.mockito</groupId>
+ <artifactId>mockito-bom</artifactId>
+ <version>5.11.0</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.assertj</groupId>
+ <artifactId>assertj-bom</artifactId>
+ <version>3.25.3</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava-bom</artifactId>
+ <version>33.2.0-jre</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ <dependency>
+ <groupId>com.fasterxml.jackson</groupId>
+ <artifactId>jackson-bom</artifactId>
+ <version>2.17.1</version>
  <type>pom</type>
  <scope>import</scope>
  </dependency>
@@ -93,7 +119,6 @@
  <dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
- <version>31.1-jre</version>
  </dependency>
 
  <dependency>
@@ -111,12 +136,10 @@
  <dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-databind</artifactId>
- <version>${jackson.version}</version>
  </dependency>
  <dependency>
  <groupId>com.fasterxml.jackson.datatype</groupId>
  <artifactId>jackson-datatype-jsr310</artifactId>
- <version>${jackson.version}</version>
  </dependency>
  <dependency>
  <groupId>org.openapitools</groupId>
@@ -132,7 +155,6 @@
  <dependency>
  <groupId>org.assertj</groupId>
  <artifactId>assertj-core</artifactId>
- <version>3.23.1</version>
  <scope>test</scope>
  </dependency>
  <dependency>
@@ -144,7 +166,6 @@
  <dependency>
  <groupId>org.mockito</groupId>
  <artifactId>mockito-junit-jupiter</artifactId>
- <version>5.3.1</version>
  <scope>test</scope>
  </dependency>
  <dependency>