Bump org.mockito:mockito-core in /java/internal/prefixmapper

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 2.23.4 to 5.8.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v2.23.4...v5.8.0)

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

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

java/pom.xml

@@ -239,7 +239,7 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>2.23.4</version>
+      <version>5.8.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>