Give the license header check GitHub Action permissions to write to issues and pull requests. The check is running fine, but the comments are failing to actually post. (opensearch-project#6438)

Signed-off-by: David Venable <dlv@amazon.com>

Author: dlvenable

.github/workflows/license-header-check.yml

@@ -16,6 +16,10 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+permissions:
+  issues: write
+  pull-requests: write
+
 jobs:
   license-header-check:
     runs-on: ubuntu-latest