ci: Sync repository to gitee

.github/workflows/build.yml

@@ -22,5 +22,16 @@ jobs:
         with:
           java-version: 1.8
 
+      - name: Sync repository
+        uses: x-dr/sync-repo-to-gitee@v1.0
+        env:
+          # 在 Settings->Secrets 配置 GITEE_KEY
+          SSH_KEY: ${{ secrets.GITEE_KEY }}
+        with:
+          # GitHub存储库的SSH URL.
+          github-repo: git@github.com:xiaohai2271/blog-backEnd.git 
+          # Gitee存储库的SSH URL.
+          gitee-repo: git@gitee.com:xiaohai2271/blog-backEnd.git
+    
       - name: Deploy
         run: mvn -B test --file pom.xml && curl http://bt.celess.cn:2271/hook?access_key=$KEY