Release 1.0.0

:information_source: - This pull request contains the final changes for release 1.0.0:

* a test only fix not affecting production code
* the requested wss-agent-* dependencies update to 1.2.3
* the POM release preparation

The packaged plugin has already been submitted to the Atlassian Marketplace based on this code and is now pending review by Atlassian to gain the one time approval for any initial add-on submission (not required for updates later on).