Actions: Add permissions for "deploy" job

Author: iBug

.github/workflows/build.yaml

@@ -70,6 +70,10 @@ jobs:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
+    permissions:
+      contents: write
+      pages: write
+      id-token: write
     runs-on: ubuntu-latest
     steps:
       - name: Deploy to GitHub Pages