gitlab-ci-cd/drupal#29 Change the way to find out if anything has changed while collecting config

tasks/collect_config/finish/gitlabflow.yml

@@ -32,10 +32,12 @@
           target_branch: main
           title: Merging develop into main for collected config
       register: merge_request
+      when: '"nothing to commit, working tree clean" not in git_status.stdout'
 
     - name: Pause
       pause:
         seconds: 5
+      when: '"nothing to commit, working tree clean" not in git_status.stdout'
 
     - name: Merge
       uri:
@@ -47,6 +49,7 @@
         body_format: form-urlencoded
         body:
           should_remove_source_branch: 0
+      when: '"nothing to commit, working tree clean" not in git_status.stdout'
 
   tags:
     - deploy