chore(release): 6.0.0 [skip ci]

# [6.0.0](https://gitlab.com/to-be-continuous/kubernetes/compare/5.2.0...6.0.0) (2023-09-26)

* feat!: support environment auto-stop ([7dd65d45](https://gitlab.com/to-be-continuous/kubernetes/commit/7dd65d45c8d71937f2f414b0b1b7f7d22854ed13))

### BREAKING CHANGES

* now review environments will auto stop after 4 hours
by default. Configurable (see doc).