chore(release): 2.0.0 [skip ci]

# [2.0.0](https://gitlab.com/to-be-continuous/robotframework/compare/1.3.0...2.0.0) (2021-09-08)

### Features

* Change boolean variable behaviour ([59a90089](https://gitlab.com/to-be-continuous/robotframework/commit/59a90089d5cca2c45edd2efc57f2c837c425fb9f)

)

### BREAKING CHANGES

* boolean variable now triggered on explicit 'true' value

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