chore: update release please perms

Author: alanshaw

.github/workflows/main.yml

@@ -46,6 +46,9 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     name: Changelog
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
     outputs:
       releases_created: ${{ steps.tag-release.outputs.releases_created }}
     steps: