chore(release): 6.0.0 [skip ci]

# [6.0.0](https://gitlab.com/to-be-continuous/cloud-foundry/compare/5.1.0...6.0.0) (2025-07-28)

* feat!: support environment auto-stop ([9f8fa7ce](https://gitlab.com/to-be-continuous/cloud-foundry/commit/9f8fa7ce510f1a7bbf5cb4573aacb82d5d8a91b5))

### BREAKING CHANGES

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