优化 github actions

Author: midada

.github/workflows/hexo.yml

@@ -47,7 +47,8 @@ jobs:
         hexo generate 
         hexo deploy
     - name: Build and Deploy
-      uses: y4code/hexo-deploy-action@master
+      run: |
+        git subtree push --prefix=public origin gh-pages
       env: |
         PERSONAL_TOKEN: ${{ secrets.ACCESS_TOKEN }}
         PUBLISH_REPOSITORY: easy-git/easy-git.github.io