Rebase dev-2.1.0 unto dependency-updates #209

Job	Run time
Lint	55s
Test installation of optional-dependencies	1m 5s
Test dev setup on ubuntu-latest	32s
Test dev setup on windows-latest	2m 15s
Test dev setup on macos-latest	1m 3s
Test (Python: 3.8, DB: mysql)	17m 34s
Test (Python: 3.8, DB: postgres)	17m 15s
Test (Python: 3.12, DB: mysql)	22m 24s
Test (Python: 3.12, DB: postgres)	26m 11s
Build python wheel	48s
Indicate completion to coveralls	19s
required-checks-pass	12s
	1h 30m 33s

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