chore(release): 2.0.0 [skip ci]

# [2.0.0](https://gitlab.com/to-be-continuous/docker/compare/1.2.3...2.0.0) (2021-09-02)

### Features

* Change boolean variable behaviour ([f74d9ef2](https://gitlab.com/to-be-continuous/docker/commit/f74d9ef2de5b4dc204b519e14c47862ea2b73b33)

)

### BREAKING CHANGES

* boolean variable now triggered on explicit 'true' value

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