added rule to not run verify on MRs

auto-devops/maven.gitlab-ci.yml

@@ -122,10 +122,12 @@ variables:
         - "**/target/surefire-reports/TEST-*.xml"
         - "**/target/failsafe-reports/TEST-*.xml"
 
-# Verify job runs on all branches.
+# Verify job runs on all branches apart from Merge Requests.
 maven:verify:
   extends: .maven:verify
   rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: never
     - if: $MAVEN_VERIFY_DISABLED
       when: never
     - !reference [".maven:verify", rules]