Add missing permissions.

.github/workflows/test_and_deploy.yml

@@ -13,6 +13,15 @@ jobs:
     name: Process Test Results
     runs-on: ubuntu-latest
     if: github.event.workflow_run.conclusion != 'skipped'
+    permissions:
+      checks: write
+
+      # needed unless run with comment_mode: off
+      pull-requests: write
+
+      # required by download step to access artifacts API
+      actions: read
+
     steps:
       - name: Download Artifacts
         uses: actions/download-artifact@v4