Bump semantic-version from 2.8.5 to 2.9.0
Bump semantic-version from 2.8.5 to 2.9.0

Bumps [semantic-version](https://github.com/rbarrois/python-semanticversion) from 2.8.5 to 2.9.0.
- [Release notes](https://github.com/rbarrois/python-semanticversion/releases)
- [Changelog](https://github.com/rbarrois/python-semanticversion/blob/master/ChangeLog)
- [Commits](https://github.com/rbarrois/python-semanticversion/compare/2.8.5...2.9.0)

---
updated-dependencies:
- dependency-name: semantic-version
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
projectatomic/atomic-reactor,fr34k8/atomic-reactor,fr34k8/atomic-reactor,projectatomic/atomic-reactor