php版本：7.4.21
swoole版本:4.8.1
安装think-swoole时出错，无法安装:
Package topthink/think-swoole has requirements incompatible with your PHP v
ersion, PHP extensions and Composer version:
- topthink/think-swoole v4.0.5 requires ext-swoole >=4.6 but it is not pr
esent.