Give package-chart job the right permissions

Author: Techassi

.github/workflows/build.yml

@@ -273,6 +273,8 @@ jobs:
       - publish-index
       - build-image
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
     steps:
       - name: Checkout Repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0