Bump mockito-core from 3.12.1 to 3.12.4

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.12.1 to 3.12.4.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.12.1...v3.12.4)

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

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

Author: dependabot[bot]

build.gradle

@@ -149,7 +149,7 @@ subprojects {
         implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
 
         testImplementation group: 'junit', name: 'junit', version: '4.13.2'
-        testImplementation "org.mockito:mockito-core:3.12.1"
+        testImplementation "org.mockito:mockito-core:3.12.4"
         testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"
         testImplementation "org.assertj:assertj-core:3.20.2"
     }