[ci] Fix docs deploy

Author: x0k

.github/workflows/deploy-pages.yaml

@@ -13,7 +13,7 @@ permissions:
 
 jobs:
   deploy:
-    if: github.event_name == 'workflow_dispatch' || (github.event.pull_request.merged == true && github.actor == 'github-actions[bot]')
+    if: github.event_name == 'workflow_dispatch' || (github.event.pull_request.merged == true && github.event.pull_request.user.login == 'github-actions[bot]')
     runs-on: ubuntu-latest
     environment:
       name: github-pages