py-txaio: update to 23.1.1.

23.1.1
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- fix: support for Python up to v3.11
- fix: update GitHub CI
- fix: copyright transferred to typedef int GmbH - no license change!

22.2.1
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- fix: cancel handling in python 3.8/3.9. (#175)
- fix: gracefully fail if coroutine called with wrong args (#176)
- fix: eliminate redundant dep. on mock (#170)
- fix: doc note that twisted supports native coroutines (#172)

(wiz)