ci(pages): reset path to root and add missing id-token permission permissions

.github/workflows/deploy-pages.yml

@@ -9,6 +9,7 @@ on:
 permissions:
   contents: read
   pages: write
+  id-token: write
 
 concurrency:
   group: pages
@@ -16,7 +17,6 @@ concurrency:
 
 jobs:
   deploy:
-    if: github.repository == 'microsoft/AI-For-Beginners'
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}