Bump org.mockito:mockito-core from 5.12.0 to 5.13.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.12.0 to 5.13.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.12.0...v5.13.0)

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

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

build.gradle

@@ -70,7 +70,7 @@ dependencies {
     testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine'
     testRuntimeOnly group: 'org.junit.platform', name: 'junit-platform-launcher'
 
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.12.0'
+    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.13.0'
     testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.26.3'
     testImplementation group: 'cd.go.plugin', name: 'go-plugin-api', version: project.versions.gocdPluginApi
 }