Release 1.0.0

[sopel]

ℹ️ - 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).

[sopel]

@whitesource-edo - could you please merge this to master? As mentioned this is the released code in fact, i.e. technically speaking release 1.0.0 has been build from commit 2f732a4 - up to you whether you'll tag this one or the merge commit on master thereafter.

Background is the upcoming Bamboo 5.0, with a moderate amount of Changes that need to be assessed - specifically, developers have been advised that there might be changes required due to an update of the previously stable Tasks API (which is used here as well):

Deployments is a brand new feature in Bamboo 5.0 with a lot of new concepts. See: Introduction to 5.0 - Deployments Tasks have remained a core feature of Deployments, as such there have been many methods/interfaces which have been updated/created to accommodate share functionality between deployments and jobs. [emphasis mine]

Whether this actually requires any changes remains to be seen, but would need to be tested at least - of course I'll get in touch via mail before actually engaging here.