chore(release): 2.0.0 [skip ci]

# [2.0.0](https://gitlab.com/to-be-continuous/php/compare/1.2.1...2.0.0) (2021-09-08)

### Bug Fixes

* add rule according readme ([1728d902](https://gitlab.com/to-be-continuous/php/commit/1728d902b012f10d05fe32222bfa3525ecef8857))
* remove duplicated rule ([046e443a](https://gitlab.com/to-be-continuous/php/commit/046e443af6911823ef4a001fb62d14dea35c94f8))

### Features

* Change boolean variable behaviour ([3d9fb3c2](https://gitlab.com/to-be-continuous/php/commit/3d9fb3c294122aba56c11d1c190ed3d388a49f96)

)

### BREAKING CHANGES

* boolean variable now triggered on explicit 'true' value

Signed-off-by: Cédric OLIVIER <cedric3.olivier@orange.com>