Set up automatically generated release notes for Skosmos 3 releases

[osma]

Description of the enhancement

GitHub nowadays provides automatically generated release notes: https://docs.github.com/en/repositories/releasing-projects-on-github/automatically-generated-release-notes

Currently Skosmos release notes are manually edited. Auto-generated release notes would save time and also indirectly improve the labeling of issues.

Who are the users that would benefit from the enhancement and how?

Core Skosmos developers who make the releases

What new functionalities would the enhancement make possible?

Avoid manual work editing release notes

Why is the enhancement important?

Saves work