nit: add draft case to gh action

Author: gregfromstl

.github/workflows/auto-assign.yml

@@ -2,7 +2,7 @@ name: Auto Author Assign
 
 on:
   pull_request:
-    types: [opened, reopened, ready_for_review]
+    types: [opened, reopened, ready_for_review, draft]
 
 permissions:
   pull-requests: write