Retrospective issue for version querqy-opensearch-1.0.os2.3.0

[ps48]

Retrospective Issue

Initial suggestions

1. Update release step to cut a branch from main for the specific plugin version (in this release 2.3) [UPDATED]
2. Add a step to update the querqy-docs repository for plugin user related release notes
3. Add support for automated maven release

Related release steps #40

Keeping this issue thread active till end of next week for release retrospection.

[ps48]

@renekrie @JohannesDaniel Please feel free to add in your thoughts here.

[epugh]

@ps48 so I merged teh PR to get us to 2.7.0, but before I read https://github.com/querqy/querqy-opensearch/blob/main/RELEASING.md#26-maven-publish ;-(. Do we have a plan to get the sonatype publishing into Github Action?