Update credentials

Author: daniel-montalvo

.github/workflows/html-amm.yml

@@ -53,7 +53,7 @@ jobs:
           repository: w3c/html-aam
           ref: gh-pages
           path: html-aam
-          token: ${{ secrets.ARIA_EDITOR_DRAFTS }}
+          token: ${{ secrets.W3CGRUNTBOT_TOKEN }}
       - uses: actions/download-artifact@v4
         with:
           name: html-aam