Bump mockito-core from 2.23.0 to 3.8.0

Bumps [mockito-core](https://github.com/mockito/mockito) from 2.23.0 to 3.8.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v2.23.0...v3.8.0)

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

Author: dependabot[bot]

build.gradle

@@ -38,7 +38,7 @@ buildscript {
         lifecycleViewModel = 'androidx.lifecycle:lifecycle-viewmodel:2.3.1'
         material = 'com.google.android.material:material:1.3.0'
         mockitoAndroid = 'org.mockito:mockito-android:2.23.0'
-        mockitoCore = 'org.mockito:mockito-core:2.23.0'
+        mockitoCore = 'org.mockito:mockito-core:3.8.0'
         palette = 'androidx.palette:palette:1.0.0'
         recyclerView = 'androidx.recyclerview:recyclerview:1.2.0'
         savedState = 'androidx.savedstate:savedstate:1.1.0'

core/build.gradle

@@ -20,7 +20,7 @@ dependencies {
     androidTestImplementation project(':test')
     androidTestImplementation 'org.hamcrest:hamcrest-library:2.2'
     androidTestImplementation 'org.mockito:mockito-android:2.7.22'
-    androidTestImplementation 'org.mockito:mockito-core:2.23.0'
+    androidTestImplementation 'org.mockito:mockito-core:3.8.0'
 
 
     def androidTestExclusions = { lib, pairs ->