chore(release): 2.9.0 [skip ci]

# [2.9.0](https://gitlab.com/to-be-continuous/gitleaks/compare/2.8.0...2.9.0) (2025-11-25)

### Features

* detect gitlab platform on self-hosted ([35eb44c1](https://gitlab.com/to-be-continuous/gitleaks/commit/35eb44c140d3917d8ce8d1066320f712265f8ab6))