release: 2.1.0 [skip ci]

## [2.1.0](v2.0.2...v2.1.0) (2021-08-13)

#### ✨ Features

* **src:** enable backwards compatibility all the way back to next@9 ([c51cf02](c51cf02)) <sup>closes [#295](https://github.com/Xunnamius/next-test-api-route-handler/issues/295)</sup>

#### ⚙️ Build system

* **webpack.config:** do not ignore warnings ([2b14d84](2b14d84))
* **webpack.config:** fix faulty env management ([f477260](f477260))

#### 🔥 Reverted

* *"chore: update dependencies"* ([f61fd8c](f61fd8c)) <sup>closes [#296](https://github.com/Xunnamius/next-test-api-route-handler/issues/296)</sup>

Author: Xunnamius