Update update-submodules.yml

.github/workflows/update-submodules.yml

@@ -25,15 +25,20 @@ jobs:
           git config --global user.email "${{ github.actor }}@users.noreply.github.com"
       - name: Update submodules
         run: |
-          if git commit -am"chore(git): Update submodules (automated)
-
-          $(git submodule --quiet foreach \
-            'tag="$(git describe --tags --abbrev=0 origin/HEAD)"
+          git submodule sync
+          git submodule foreach --quiet '
+            tag="$(git describe --tags --abbrev=0 origin/HEAD)"
             if [ "$(git describe --tags)" != "$tag" ]; then
               git checkout --quiet "$tag"
-              echo "$name" "$tag"
-            fi')"
-          then
+              echo "$name updated to $tag"
+            fi
+          '
+          
+          if git diff --quiet; then
+            echo "No updates for submodules."
+          else
+            git add .
+            git commit -m "chore(git): Update submodules (automated)"
             git show --raw
             git push
           fi