build(deps): bump mockito-core from 4.2.0 to 4.3.1

Bumps [mockito-core](https://github.com/mockito/mockito) from 4.2.0 to 4.3.1.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v4.2.0...v4.3.1

)

---
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

@@ -47,7 +47,7 @@ dependencies {
     embed 'com.typesafe:config:1.4.1'
 
     // Testing
-    testImplementation 'org.mockito:mockito-core:4.2.0'
+    testImplementation 'org.mockito:mockito-core:4.3.1'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
 }