add py3.12 to tests, replace pypy37 with pypy310 #656

Job	Run time
lint	50s
build	32s
cleanup_buckets	1m 34s
doc	1m 14s
test-docker	7m 38s
test-windows-bundle (windows-2019)	10m 47s
test-windows-bundle (windows-latest)	13m 24s
test-linux-bundle	7m 19s
test (ubuntu-latest, 3.7)	8m 17s
test (ubuntu-latest, 3.8)	54s
test (ubuntu-latest, 3.9)	55s
test (ubuntu-latest, 3.10)	59s
test (ubuntu-latest, 3.11)	6m 25s
test (ubuntu-latest, 3.12-dev)	1m 9s
test (ubuntu-latest, pypy-3.10)	9m 4s
test (macos-latest, 3.7)	6m 26s
test (macos-latest, 3.8)	1m 34s
test (macos-latest, 3.9)	1m 28s
test (macos-latest, 3.10)	1m 17s
test (macos-latest, 3.11)	5m 6s
test (windows-latest, 3.7)	7m 59s
test (windows-latest, 3.8)	2m 17s
test (windows-latest, 3.9)	1m 57s
test (windows-latest, 3.10)	2m 11s
test (windows-latest, 3.11)	8m 15s
	1h 49m 31s

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