fix: only commit if there are changes in update_containers workflow

Author: observerw

.github/workflows/update_containers.yml

@@ -45,8 +45,12 @@ jobs:
           git config --global user.name "github-actions[bot]"
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
           git add container/
-          git commit -m "chore: update server versions"
-          git push
+          if ! git diff --cached --quiet; then
+            git commit -m "chore: update server versions"
+            git push
+          else
+            echo "No changes to commit"
+          fi
 
   build:
     needs: update