chore(release): 5.12.0 [skip ci]

# [5.12.0](https://git.code.tecnalia.com/smartdatalab/public/ci-cd-components/docker/compare/5.11.1...5.12.0) (2024-08-29)

### Features

* introduce variable for additional docker/buildah push arguments ([9de48b24](https://git.code.tecnalia.com/smartdatalab/public/ci-cd-components/docker/commit/9de48b24c1512cb9f5c8b7e26d33cea1bc5504e2))