fix: trigger docs build after changelog update (#2710)

* fix: trigger documentation update after CHANGELOG completion

* fix: update build-deploy job condition to handle workflow run status

Author: koxudaxi

.github/workflows/docs.yaml

@@ -5,13 +5,18 @@ on:
     branches:
     - main
   workflow_dispatch:
+  workflow_run:
+    workflows: ["Update CHANGELOG"]
+    types:
+      - completed
 
 concurrency:
   group: docs-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
   build-deploy:
+    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event.workflow_run == null }}
     runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v4