Tune cc-bot settings (#10544)

.github/workflows/probot-auto-cc.yml

@@ -2,16 +2,14 @@ name: Probot
 
 on:
   issues:
-    types:
-      - labeled
+    types: [labeled]
   pull_request:
-    types:
-      - labeled
+    types: [labeled, ready_for_review]
 
 jobs:
   auto-cc:
-    if: ${{ github.repository_owner == 'PyTorchLightning' }}
     runs-on: ubuntu-latest
+    if: github.event_name == "issue" || github.event.pull_request.draft == false
     steps:
       - uses: carmocca/probot@v1
         env: