ci(release): drop unsupported attestation permission

Author: zemaj

.github/workflows/release.yml

@@ -18,24 +18,16 @@ on:
       - 'codex-cli/package.json'
 
 concurrency:
-  group: release-${{ github.ref_name }}
+  group: release-${{ github.ref }}
   cancel-in-progress: false
 
 permissions:
   contents: write
-  actions: read
   packages: write
   id-token: write
-  deployments: write
   issues: write
   pull-requests: write
-  discussions: write
   statuses: write
-  attestations: write
-  checks: read
-  security-events: write
-  pages: read
-  repository-projects: read
 
 jobs:
   preflight-tests: