ci: update Gitee sync workflow repository name

- Change target repository from test-push-gitee to MemoryBear
- Update GITEE_URL variable to point to correct Gitee repository
- Ensure workflow syncs to the proper upstream repository

.github/workflows/.sync-to-gitee.yml

@@ -22,7 +22,7 @@ jobs:
           git config --global user.email "actions@github.com"
 
           # 2. 构建带 Token 的 HTTPS 远程地址
-          GITEE_URL="https://${{ secrets.GITEE_USERNAME }}:${{ secrets.GITEE_TOKEN }}@gitee.com/${{ secrets.GITEE_USERNAME }}/test-push-gitee.git"
+          GITEE_URL="https://${{ secrets.GITEE_USERNAME }}:${{ secrets.GITEE_TOKEN }}@gitee.com/${{ secrets.GITEE_USERNAME }}/MemoryBear.git"
 
           # 3. 添加远程仓库 (命名为 gitee)
           git remote add gitee $GITEE_URL