Build(deps): Bump io.fabric8:docker-maven-plugin from 0.42.1 to 0.43.4

Bumps [io.fabric8:docker-maven-plugin](https://github.com/fabric8io/docker-maven-plugin) from 0.42.1 to 0.43.4.
- [Release notes](https://github.com/fabric8io/docker-maven-plugin/releases)
- [Changelog](https://github.com/fabric8io/docker-maven-plugin/blob/master/doc/changelog.md)
- [Commits](fabric8io/docker-maven-plugin@v0.42.1...v0.43.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -184,7 +184,7 @@
         <plugin>
           <groupId>io.fabric8</groupId>
           <artifactId>docker-maven-plugin</artifactId>
-          <version>0.42.1</version>
+          <version>0.43.4</version>
         </plugin>
         <!-- IDE plugins -->
         <plugin>