common.gradle: upgrade the mockito-core and groovy-test libraries

common.gradle

@@ -35,8 +35,8 @@ repositories {
 dependencies {
     // Adding dependencies here will add the dependencies to each subproject.
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.mockito:mockito-core:3.8.0'
-    testImplementation 'org.codehaus.groovy:groovy-test:3.0.7'
+    testImplementation 'org.mockito:mockito-core:3.12.4'
+    testImplementation 'org.codehaus.groovy:groovy-test:3.0.9'
 }
 
 
@@ -54,7 +54,7 @@ jar {
     manifest {
         attributes 'Implementation-Title': 'jMonkeyEngine',
                    'Implementation-Version': jmeFullVersion,
-                   'Automatic-Module-Name': "${project.name.replace("-", ".")}" 
+                   'Automatic-Module-Name': "${project.name.replace("-", ".")}"
     }
 }