Bump mockito-kotlin from 2.1.0 to 2.2.0

Bumps [mockito-kotlin](https://github.com/nhaarman/mockito-kotlin) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/nhaarman/mockito-kotlin/releases)
- [Commits](mockito/mockito-kotlin@2.1.0...2.2.0)

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

build.gradle

@@ -317,7 +317,7 @@ dependencies {
     testImplementation 'org.powermock:powermock-module-junit4:2.0.2'
     testImplementation 'org.powermock:powermock-api-mockito2:2.0.2'
     testImplementation 'org.json:json:20190722'
-    testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.1.0"
+    testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"
     testImplementation "androidx.arch.core:core-testing:2.0.1"
 
     // dependencies for instrumented tests