Merge pull request #455 from chinapandaman/PPF-452

PPF-452: try no history

.github/workflows/deploy-docs.yml

@@ -20,6 +20,5 @@ jobs:
         run: pip install mkdocs
       - name: Deploy docs to GitHub page
         run: |
-          git fetch
           mkdocs build
-          mkdocs gh-deploy --force
+          mkdocs gh-deploy --no-history