Bump io.fabric8:docker-maven-plugin from 0.46.0 to 0.47.0

Bumps [io.fabric8:docker-maven-plugin](https://github.com/fabric8io/docker-maven-plugin) from 0.46.0 to 0.47.0.
- [Release notes](https://github.com/fabric8io/docker-maven-plugin/releases)
- [Changelog](https://github.com/fabric8io/docker-maven-plugin/blob/master/doc/changelog.md)
- [Commits](https://github.com/fabric8io/docker-maven-plugin/compare/v0.46.0...v0.47.0)

---
updated-dependencies:
- dependency-name: io.fabric8:docker-maven-plugin
  dependency-version: 0.47.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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