refactor: rename JUnit extensions to be more explicit (#1254)

Fixes #1215

Author: metacosm

operator-framework-junit5/src/main/java/io/javaoperatorsdk/operator/junit/LocallyRunOperatorExtension.java

@@ -239,7 +239,7 @@ public Builder withPortForward(String namespace, String labelKey, String labelVa
 
 
     public Builder withAdditionalCustomResourceDefinition(
-        Class<? extends CustomResource> customResource) {
+            Class<? extends CustomResource> customResource) {
       additionalCustomResourceDefinitions.add(customResource);
       return this;
     }