ci(actions): add environment configuration for GitHub Pages deployment

Author: benahm

.github/workflows/publish-docsify.yml

@@ -39,5 +39,10 @@ jobs:
     permissions:
       pages: write
       id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/deploy-pages@v4
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4