Bump mockito-kotlin from 3.2.0 to 4.0.0

Bumps [mockito-kotlin](https://github.com/mockito/mockito-kotlin) from 3.2.0 to 4.0.0.
- [Release notes](https://github.com/mockito/mockito-kotlin/releases)
- [Commits](https://github.com/mockito/mockito-kotlin/compare/3.2.0...4.0.0)

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

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

dependencies.gradle

@@ -35,7 +35,7 @@ ext.versions = [
         junit4               : "4.13.2",
         junit5               : "5.8.1",
         mockito              : "4.0.0",
-        mockitoKotlin        : "3.2.0",
+        mockitoKotlin        : "4.0.0",
         kluent               : "1.68",
         apacheCodecs         : "1.15",
         robolectric          : "4.6.1",