Rename internal repository actions to be internal (#36377)

This is a follow-up to #36086. It renames the internal repository
actions to be prefixed by "internal". This allows the system user to
execute the actions.

Author: Tim-Brooks

x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/repositories/DeleteInternalCcrRepositoryAction.java

@@ -26,7 +26,7 @@ public class DeleteInternalCcrRepositoryAction extends GenericAction<DeleteInter
     DeleteInternalCcrRepositoryAction.DeleteInternalCcrRepositoryResponse> {
 
     public static final DeleteInternalCcrRepositoryAction INSTANCE = new DeleteInternalCcrRepositoryAction();
-    public static final String NAME = "cluster:admin/ccr/internal_repository/delete";
+    public static final String NAME = "internal:admin/ccr/internal_repository/delete";
 
     private DeleteInternalCcrRepositoryAction() {
         super(NAME);

x-pack/plugin/ccr/src/main/java/org/elasticsearch/xpack/ccr/action/repositories/PutInternalCcrRepositoryAction.java

@@ -26,7 +26,7 @@ public class PutInternalCcrRepositoryAction extends GenericAction<PutInternalCcr
     PutInternalCcrRepositoryAction.PutInternalCcrRepositoryResponse> {
 
     public static final PutInternalCcrRepositoryAction INSTANCE = new PutInternalCcrRepositoryAction();
-    public static final String NAME = "cluster:admin/ccr/internal_repository/put";
+    public static final String NAME = "internal:admin/ccr/internal_repository/put";
 
     private PutInternalCcrRepositoryAction() {
         super(NAME);