Drop python37 #877

Job	Run time
lint	42s
cleanup_buckets	3s
build	26s
test-linux-bundle	2m 23s
test-docker	1m 34s
test (ubuntu-latest, 3.8)	5m 8s
test-windows-bundle (windows-2019)	2m 29s
test (ubuntu-latest, 3.9)	5m 4s
test-windows-bundle (windows-latest)	2m 19s
test (ubuntu-latest, 3.10)	5m 32s
test (ubuntu-latest, 3.11)	4m 45s
test (ubuntu-latest, 3.12)	7m 22s
test (ubuntu-latest, pypy3.9)	12m 42s
test (ubuntu-latest, pypy3.10)	12m 15s
test (macos-latest, 3.10)	2m 53s
test (macos-latest, 3.11)	2m 56s
test (macos-latest, 3.12)	2m 48s
test (macos-latest, pypy3.9)	8m 11s
test (windows-latest, 3.8)	5m 32s
test (windows-latest, 3.9)	5m 8s
test (windows-latest, 3.10)	5m 43s
test (windows-latest, 3.11)	6m 12s
test (windows-latest, 3.12)	6m 22s
test (windows-latest, pypy3.9)	19m 9s
test (macos-13, 3.8)	4m 31s
test (macos-13, 3.9)	7m 37s
doc	56s
	2h 20m 42s

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