Bump org.mockito:mockito-core from 4.11.0 to 5.15.2

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 4.11.0 to 5.15.2.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.11.0...v5.15.2)

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

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

pom.xml

@@ -484,7 +484,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>4.11.0</version>
+        <version>5.15.2</version>
       </dependency>
       <!-- Test FTP with Apache FTP Server (MINA) -->
       <dependency>