workflow: skip generated branch updates

Author: actions-user

.github/workflows/fhem_test.yml

@@ -35,7 +35,7 @@ on:
 
 jobs:
   update_controls:
-    if: github.event_name == 'push'
+    if: github.event_name == 'push' && github.event.head_commit.message != 'Automatic update of controls and CHANGED'
     env:
       CONTROLS_FILENAME: controls_${{ github.event.repository.name }}.txt
     runs-on: ubuntu-latest