Bump org.mockito:mockito-core from 5.8.0 to 5.9.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.8.0...v5.9.0)

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

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

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: '5.8.0'
+    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.9.0'
     testImplementation group: 'org.hamcrest', name: 'hamcrest', version: '2.2'
     testImplementation group: 'cd.go.plugin', name: 'go-plugin-api', version: project.versions.gocdPluginApi
     testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.1'