Release v2.2.11

Optimize: get error code after Websocket upgrade failed (#4114)

* Optimize: get error code after Websocket upgrade failed

* Update CHANGELOG-2.2.md

Release v2.2.0

Update `branch-alias` to `2.2-dev` in `composer.json`

Release v2.2.0-beta1

Optimized `Hyperf\WebSocketClient\Client::push()` (#3597)

Release v2.1.0

Changed branch-alias of `dev-master` to `2.1-dev` (#3038)

* Update branch-alias

* Update composer.json

Release v2.1.0-beta1

Optimized code. (#2652)

Release v2.0.13

Added auto release (#2556)