fix(release): add attestations permission for GitHub workflow

- Add attestations: write permission for enhanced security
- Prepare for future SLSA provenance generation
- Align with GitHub security best practices

Author: grdsdev

.github/workflows/release.yml

@@ -19,6 +19,7 @@ jobs:
       issues: write
       pull-requests: write
       id-token: write
+      attestations: write
 
     steps:
       - name: Generate token