Release v2.2.0

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

Release v2.2.0-beta1

Optimized all composer.json (#3569)

* Optimized all composer.json

* Update package-lock.json

Release v2.1.1

v2.1.1 (#3067)

* v2.1.1

* Update

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

Use `(string) $body` instead of `$body->getContents()` for getting co…

Release v2.0.11

Added auto release. (#2457)

v1.0.0

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