chore(release): 3.0.0 [skip ci]

# [3.0.0](https://gitlab.com/to-be-continuous/docker/compare/2.7.1...3.0.0) (2022-08-05)

### Bug Fixes

* trigger new major release ([580d3e3e](https://gitlab.com/to-be-continuous/docker/commit/580d3e3ef93ab570f30b7c90216301fefbdbf84e))

### BREAKING CHANGES

* change default workflow from Branch pipeline to MR pipeline