ci: Provide id-token permission

Author: Techassi

.github/workflows/build.yaml

@@ -180,6 +180,8 @@ jobs:
     name: Package/Publish ${{ needs.build-container-image.outputs.operator-version }} Helm Chart
     needs:
       - build-container-image
+    permissions:
+      id-token: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository