Update submodules action

Author: androettop

.github/workflows/update-submodules.yml

@@ -0,0 +1,33 @@
+name: Update Submodules
+
+on:
+  workflow_dispatch:
+
+jobs:
+  update-submodules:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.PAT }}
+          submodules: true
+
+      - name: Update all submodules to latest commit
+        run: |
+          git submodule update --init --recursive
+          git submodule update --remote --merge
+
+      - name: Commit and push changes
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+          git add .
+          if git diff --cached --quiet; then
+            echo "No changes to commit"
+          else
+            git commit -m "Update submodules to latest commit"
+            git push origin HEAD
+          fi