[Full Changelog][changelog]

### Fixed

- Fixes shellcheck warnings

### Changed

- Moves build-env to latest
- Upgrades base image to v1.4.2
- Updates GitLab CI for native builds (#9)
- Restructuring of the GitLab CI

[changelog]: https://github.com/hassio-addons/addon-example/compare/v1.3.0...v1.3.1