Bump mockitoVersion from 3.6.0 to 3.6.28

Bumps `mockitoVersion` from 3.6.0 to 3.6.28.

Updates `mockito-core` from 3.6.0 to 3.6.28
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.6.0...v3.6.28)

Updates `mockito-android` from 3.6.0 to 3.6.28
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.6.0...v3.6.28)

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

build.gradle

@@ -61,7 +61,7 @@ ext {
     prismVersion = "2.0.0"
     butterknifeVersion = "10.2.3"
     androidLibraryVersion = "master-SNAPSHOT"
-    mockitoVersion = "3.6.0"
+    mockitoVersion = "3.6.28"
     mockkVersion = "1.10.2"
     powermockVersion = "2.0.9"
     byteBuddyVersion = "1.10.18"