chore: update GitHub Actions permissions for release-please to enable branch and PR creation

Author: elibosley

.github/workflows/release.yml

@@ -11,7 +11,8 @@ concurrency:
 
 permissions:
   id-token: write  # Required for OIDC
-  contents: read
+  contents: write  # Required for release-please to create branches and PRs
+  pull-requests: write  # Required for release-please to create pull requests
 
 jobs:
   release-please: