ARTEMIS-X Bump mockito.version from 5.15.2 to 5.16.0

Bumps `mockito.version` from 5.15.2 to 5.16.0.

Updates `org.mockito:mockito-core` from 5.15.2 to 5.16.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.15.2...v5.16.0)

Updates `org.mockito:mockito-junit-jupiter` from 5.15.2 to 5.16.0
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.15.2...v5.16.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.mockito:mockito-junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -117,7 +117,7 @@
       <maven.pmd.plugin.version>3.26.0</maven.pmd.plugin.version>
       <sevntu.checks.version>1.44.1</sevntu.checks.version>
       <checkstyle.version>10.21.4</checkstyle.version>
-      <mockito.version>5.15.2</mockito.version>
+      <mockito.version>5.16.0</mockito.version>
       <jctools.version>4.0.5</jctools.version>
       <netty.version>4.1.119.Final</netty.version>
       <hdrhistogram.version>2.2.2</hdrhistogram.version>