ci: exclude draft PRs from auto-review and trigger on ready_for_review

Author: DeanChensj

.github/workflows/gemini-dispatch.yml

@@ -10,6 +10,7 @@ on:
   pull_request:
     types:
       - 'opened'
+      - 'ready_for_review'
   issues:
     types:
       - 'opened'
@@ -49,7 +50,8 @@ jobs:
     if: |-
       (
         github.event_name == 'pull_request' &&
-        github.event.pull_request.head.repo.fork == false
+        github.event.pull_request.head.repo.fork == false &&
+        github.event.pull_request.draft == false
       ) || (
         github.event_name == 'issues' &&
         contains(fromJSON('["opened", "reopened"]'), github.event.action)