git checkout gh-pages

.github/workflows/build_and_publish_docs.yml

@@ -39,7 +39,7 @@ jobs:
         run: |
           git config user.name "GitHub Actions"
           git config user.email "[email protected]"
-          git checkout -b gh-pages
+          git checkout gh-pages
           git pull origin gh-pages
           cp -r docs/build/html/* .
           git add .