ci: 修改 GitHub Actions 工作流中的分支推送逻辑

- 将动态推送分支改为直接推送至 main 分支

Author: h7ml

.github/workflows/ci.yml

@@ -70,8 +70,7 @@ jobs:
           git config --local user.name "GitHub Action"
           git config advice.ignoredHook false
           git commit -m "docs(README): update README-zh.md"
-          BRANCH=$(echo "${GITHUB_REF}" | sed 's@refs/heads/@@')
-          git push origin HEAD:$BRANCH || echo "Push to repository failed"
+          git push origin main || echo "Push to repository failed"
 
       - name: Upload build artifacts
         uses: actions/upload-artifact@v3