Enable mkdocs force deploy

Author: vineetchoudhary

.github/workflows/gh-pages.yml

@@ -36,4 +36,4 @@ jobs:
       - run: pip install mkdocs-material
       - run: pip install mkdocs-awesome-pages-plugin
       - run: pip install mkdocs-minify-plugin
-      - run: mkdocs gh-deploy
+      - run: mkdocs gh-deploy --force