Bump mockito-core from 4.1.0 to 4.2.0 (#133)

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.1.0...v4.2.0)

---
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]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -50,7 +50,7 @@ dependencies {
     api "io.reactivex.rxjava3:rxjava:3.1.3"
 
     testImplementation group: 'junit', name: 'junit', version: '4.13.2'
-    testImplementation 'org.mockito:mockito-core:4.1.0'
+    testImplementation 'org.mockito:mockito-core:4.2.0'
 }
 
 apply plugin: 'biz.aQute.bnd.builder'