fix docs ci

Author: Arvolear

.github/workflows/docs.yml

@@ -13,7 +13,7 @@ on:
 jobs:
   docs:
     runs-on: ubuntu-latest
-    if: github.event.workflow_run.conclusion == 'success'
+    if: github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success'
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v3