Various type fixes and improvements in CLI, repo, KPM #229

Job	Run time
Run tests on python 3.8	7m 9s
Check if changelog was changed	21s
Run lint checks	1m 40s
Run tests on python 3.9	8m 14s
Test typing	3m 14s
Run tests on python 3.10	8m 34s
Run tests on python 3.11	5m 0s
Run tests on python 3.12	7m 16s
Generate examples	6m 46s
Package cores repository	7m 5s
Test package distribution	5m 13s
	1h 0m 32s

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