fix(release): attempt to fix release job permissions

It seems the "pull-request: write" permission on the job did not work.
So we are now setting permissions at the workflow level

.github/workflows/ci.yml

@@ -2,13 +2,14 @@
 name: CI
 on: push
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   release-please:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main'
-    permissions:
-      contents: write
-      pull-requests: write
     steps:
       - uses: jimeh/release-please-manifest-action@main
         id: release