Add credentials to pages action

Author: javh

.github/workflows/pages.yaml

@@ -23,6 +23,9 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: ghcr.io/genentech/signature:latest
+      credentials:
+         username: ${{ github.actor }}
+         password: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v3
       - name: Install dependencies