[data-plane]: Bump org.mockito:mockito-junit-jupiter in /data-plane

Bumps [org.mockito:mockito-junit-jupiter](https://github.com/mockito/mockito) from 5.12.0 to 5.15.2.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.12.0...v5.15.2)

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

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

data-plane/pom.xml

@@ -55,7 +55,7 @@
     <assertj.version>3.26.0</assertj.version>
     <awaitility.version>4.2.0</awaitility.version>
     <junit.jupiter.version>5.10.1</junit.jupiter.version>
-    <mokito.junit.jupiter.version>5.12.0</mokito.junit.jupiter.version>
+    <mokito.junit.jupiter.version>5.15.2</mokito.junit.jupiter.version>
     <fabric8.kubernetes.version>6.10.0</fabric8.kubernetes.version>
     <kafka.version>3.7.1</kafka.version>
     <debezium.version>2.6.1.Final</debezium.version>