build(deps-dev): bump org.mockito.version from 5.14.2 to 5.15.2

Bumps `org.mockito.version` from 5.14.2 to 5.15.2.

Updates `org.mockito:mockito-core` from 5.14.2 to 5.15.2
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.14.2...v5.15.2)

Updates `org.mockito:mockito-junit-jupiter` from 5.14.2 to 5.15.2
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.14.2...v5.15.2)

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

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

pom.xml

@@ -31,7 +31,7 @@
         <jetty.version>11.0.24</jetty.version>
         <prometheus-client.version>0.16.0</prometheus-client.version>
         <json-path.version>2.9.0</json-path.version>
-        <org.mockito.version>5.14.2</org.mockito.version>
+        <org.mockito.version>5.15.2</org.mockito.version>
         <junit.jupiter.version>5.10.3</junit.jupiter.version>
         <maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
         <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>