Bump docker-maven-plugin from 0.40.2 to 0.42.0 (apache#1350)

Bumps [docker-maven-plugin](https://github.com/fabric8io/docker-maven-plugin) from 0.40.2 to 0.42.0.
- [Release notes](https://github.com/fabric8io/docker-maven-plugin/releases)
- [Changelog](https://github.com/fabric8io/docker-maven-plugin/blob/master/doc/changelog.md)
- [Commits](fabric8io/docker-maven-plugin@v0.40.2...v0.42.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -349,7 +349,7 @@
     <!-- checkstyle 10.0 requires Java 11 -->
     <checkstyle.version>9.3</checkstyle.version>
     <checksum-maven-plugin.version>1.11</checksum-maven-plugin.version>
-    <docker-maven-plugin.version>0.40.2</docker-maven-plugin.version>
+    <docker-maven-plugin.version>0.42.0</docker-maven-plugin.version>
     <exam-maven-plugin.version>4.13.5</exam-maven-plugin.version>
     <findsecbugs-plugin.version>1.12.0</findsecbugs-plugin.version>
     <log4j-tools.version>0.2.0</log4j-tools.version>