Bump mockito-core from 4.8.0 to 4.8.1

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.8.0 to 4.8.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.8.0...v4.8.1)

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

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

Author: dependabot[bot]

build.gradle

@@ -55,7 +55,7 @@ ext {
   deps = [
     gocdPluginApi: 'cd.go.plugin:go-plugin-api:22.2.0',
     junit        : 'org.junit.jupiter:junit-jupiter-api:5.9.1',
-    mockito      : 'org.mockito:mockito-core:4.8.0',
+    mockito      : 'org.mockito:mockito-core:4.8.1',
   ]
 
   versions = project.ext.deps.collectEntries { lib, libGav -> [lib, libGav.split(':').last()] }