Fix provenance release (#8749)

.github/workflows/release.yml

@@ -22,6 +22,9 @@ jobs:
     name: Changelog PR or Release
     if: ${{ github.repository_owner == 'withastro' }}
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
     steps:
       - uses: actions/checkout@v3
 

packages/create-astro/package.json

@@ -44,5 +44,8 @@
   },
   "engines": {
     "node": ">=18.14.1"
+  },
+  "publishConfig": {
+    "provenance": true
   }
 }