[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] prepare release moa-pom-2023.04.0

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] prepare for next development iteration

Additional fix for problem with weka-package not discovering classes.

Fixed package URL.

[maven-release-plugin] prepare for next development iteration