Update deploy.yml

.github/workflows/deploy.yml

@@ -20,9 +20,9 @@ jobs:
 
       - name: Deploy
         run: |
+          git checkout main
           git checkout -b gh-pages
           git rm -rf --cached *
-          git checkout main -- build
           cp -r build/* .
           git add .
           git commit -m "Deploy to GitHub Pages"