Upgrade Swoole version to v6.1.1

- Updated SW_VERSION from v6.1.0 to v6.1.1 in build-swoole.yml
- Keeping Composer version at 2.8.12

Author: huangdijia

.github/workflows/build-swoole.yml

@@ -3,7 +3,7 @@ name: Build Swoole
 on: [ push ]
 env:
   ENGINE: 'swoole'
-  SW_VERSION: 'v6.1.0'
+  SW_VERSION: 'v6.1.1'
   COMPOSER_VERSION: '2.8.12'
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_ACCESSTOKEN }}