doc: update doc version to latest release
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- latest release version of this plugin. Used in the docs.-->
- <fabric8.maven.plugin.version>4.3.1</fabric8.maven.plugin.version>
+ <fabric8.maven.plugin.version>4.4.2</fabric8.maven.plugin.version>
<jmockit.version>1.43</jmockit.version>
<version.maven>3.3.1</version.maven>
