Prepare release v0.13.0

[Zeitsperre]

Pull Request Checklist:

• [ ] This PR addresses an already opened issue (for bug fixes / features)
  • This PR fixes issue #xyz
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Documentation has been added / updated (for bug fixes / features)
• [x] HISTORY.rst has been updated (with summary of main changes)
• [x] I have added my relevant user information to AUTHORS.md

What kind of change does this PR introduce?:

• Prepares the next major point release (v0.13) for February 16th, 2024.

Does this PR introduce a breaking change?:

Nope, but this release will support Python3.12!

Other information:

[coveralls]

Pull Request Test Coverage Report for Build 7932616984

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 72.412%

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Totals
Change from base Build 7932612025:	0.0%
Covered Lines:	1777
Relevant Lines:	2454

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💛 - Coveralls