Add Python 3.12 Support (#752) #986

Job	Run time
Run tests with coverage	2m 2s
Run linters (flake8)	1m 5s
Run tests on legacy versions (3.7)	1m 15s
Run linters (pydocstyle)	1m 12s
Run tests (3.8)	1m 20s
Run tests on legacy versions (pypy2.7)	14s
Run linters (mypy)	1m 8s
Run tests (3.9)	1m 24s
Run tests on legacy versions (pypy3.9)	1s
Run linters (pylint)	1m 8s
Run tests (3.10)	1m 22s
Run tests (3.11)	1m 20s
Run tests (3.12)	1m 34s
	15m 5s

Provide feedback