chore: add permissions for docs deploy pipeline

Author: boazpoolman

.github/workflows/deploy-docs.yml

@@ -11,6 +11,9 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
     steps:
       - name: Checkout
         uses: actions/checkout@v4