Added fetch

.gitea/workflows/pull_request.yaml

@@ -87,10 +87,12 @@ jobs:
       - name: Format code
         if: failure()
         run: |
+          git fetch origin ${{ gitea.head_ref }}
           git checkout ${{ gitea.head_ref }}
+          
           dart fix --apply lib
           dart fix --apply test
-          # Prüfen, ob Änderungen vorhanden sind
+          
           if [ -n "$(git status --porcelain lib test)" ]; then
             git config --global user.name "liquid-actions[bot]"
             git config --global user.email "gitea@liquid-dev.de"