chore(release): 6.1.4 [skip ci]

## [6.1.4](https://gitlab.com/to-be-continuous/docker/compare/6.1.3...6.1.4) (2025-04-11)

### Bug Fixes

* **envsubst:** leave lines with '# nosubst' unchanged when substituting (used to be simply dropped) ([214ae5df](https://gitlab.com/to-be-continuous/docker/commit/214ae5dfc6e6661eed8eb5dd62ad4fc1bcc7d5b7))