Preparation for alpha package 2.0.0a7 (Draegerwerk#309)

Preparation for alpha package 2.0.0a7

## Types of changes
<!--- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)

## Checklist:
<!--- Go over all the following points, and put an `x` in all the boxes
that apply. -->
<!--- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
- [ ] I have updated the [changelog](../CHANGELOG.md) accordingly.
- [ ] I have added tests to cover my changes.

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to the sdc11073 module will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.0.0a7] - 2024-01-04
 
 ### Added
 - added a way to process operations directly (directly send 'Fin' instead of Wait, Started,...)