Merge pull request #8394 from nextcloud/dependabot/gradle/mockitoVersion-3.10.0

Bump mockitoVersion from 3.9.0 to 3.10.0

build.gradle

@@ -62,7 +62,7 @@ ext {
     prismVersion = "2.0.0"
     butterknifeVersion = "10.2.3"
     androidLibraryVersion = "master-SNAPSHOT"
-    mockitoVersion = "3.9.0"
+    mockitoVersion = "3.10.0"
     mockkVersion = "1.10.4"
     powermockVersion = "2.0.9"
     byteBuddyVersion = "1.11.0"