chore: fix deploy docs action

Author: lepture

.github/workflows/docs.yml

@@ -40,7 +40,7 @@ jobs:
       run: sphinx-build docs _site -b dirhtml
 
     - name: Upload artifact
-      uses: actions/upload-pages-artifact@v4
+      uses: actions/upload-pages-artifact@v3
 
   deploy:
     environment: