Updated metadata updater

Author: bguidolim

.github/workflows/update_metadata.yml

@@ -18,7 +18,7 @@ jobs:
         run: pip install xmljson
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Authorize
         run: echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token