chore(release): 1.8.4 [skip ci]

## [1.8.4](https://gitlab.com/to-be-continuous/sbt/compare/1.8.3...1.8.4) (2025-06-20)

### Bug Fixes

* **release:** fix RELEASE_REF regex ([807dfeaf](https://gitlab.com/to-be-continuous/sbt/commit/807dfeaf3e5f965469e7463b8c09107f5e1a0f82))