Bump mockitoVersion from 3.7.0 to 3.7.7

Bumps `mockitoVersion` from 3.7.0 to 3.7.7.

Updates `mockito-core` from 3.7.0 to 3.7.7
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.7.0...v3.7.7)

Updates `mockito-android` from 3.7.0 to 3.7.7
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](https://github.com/mockito/mockito/compare/v3.7.0...v3.7.7)

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

build.gradle

@@ -58,7 +58,7 @@ ext {
     prismVersion = "2.0.0"
     butterknifeVersion = "10.2.3"
     androidLibraryVersion = "master-SNAPSHOT"
-    mockitoVersion = "3.7.0"
+    mockitoVersion = "3.7.7"
     mockkVersion = "1.10.4"
     powermockVersion = "2.0.9"
     byteBuddyVersion = "1.10.19"