Update pom property version.fabric8 to 2.2.189
<version.maven>3.3.1</version.maven>
<version.jacoco>0.7.8</version.jacoco>
- <version.fabric8>2.2.188</version.fabric8>
+ <version.fabric8>2.2.189</version.fabric8>
<version.docker-maven-plugin>0.19.0</version.docker-maven-plugin>
<!-- Version of default images, updatable by CD -->
