fix: restore id-token permission

Author: yalagadapavankumar

.github/workflows/deploy-staging.yml

@@ -18,6 +18,7 @@ jobs:
       cancel-in-progress: true
     if: github.repository_owner == 'rust-lang'
     permissions:
+      id-token: write # required for OIDC authentication to AWS
       contents: read
     steps:
       - name: Checkout repository