Add 'write' permissions for PRs in check-breaking-prs.

Signed-off-by: Roland Grunberg <[email protected]>

Author: rgrunber

.github/workflows/check-breaking-prs.yml

@@ -5,6 +5,9 @@ on:
     - cron: '0 8 * * *'
   workflow_dispatch:
 
+permissions:
+  actions: write
+
 jobs:
   pr-verify-job:
     runs-on: ubuntu-latest