Support python3.12 #1379

Job	Run time
tests (ubuntu-latest, unit, 3.8)	45s
tests (ubuntu-latest, unit, 3.12)	58s
tests (ubuntu-latest, integration, 3.8)	2m 29s
tests (ubuntu-latest, integration, 3.12)	3m 19s
tests (ubuntu-latest, tool, 3.8)	51s
tests (ubuntu-latest, tool, 3.12)	1m 0s
tests (windows-2022, unit, 3.8)	1m 51s
tests (windows-2022, unit, 3.12)	2m 35s
tests (windows-2022, integration, 3.8)	2m 53s
tests (windows-2022, integration, 3.12)	3m 40s
tests (windows-2022, tool, 3.8)	2m 45s
tests (windows-2022, tool, 3.12)	3m 19s
coverage	14s
	26m 39s

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