release 3.18.0 #799

Job	Run time
lint	48s
cleanup_buckets	25s
build	39s
test-docker	9m 47s
test-windows-bundle (windows-2019)	11m 18s
test-windows-bundle (windows-latest)	9m 53s
test-linux-bundle	7m 47s
test (ubuntu-latest, 3.7)	5m 23s
test (ubuntu-latest, 3.8)	1m 27s
test (ubuntu-latest, 3.9)	1m 31s
test (ubuntu-latest, 3.10)	1m 41s
test (ubuntu-latest, 3.11)	1m 26s
test (ubuntu-latest, 3.12)	5m 19s
test (ubuntu-latest, pypy3.9)	5m 29s
test (ubuntu-latest, pypy3.10)	11m 46s
test (macos-latest, 3.7)	5m 14s
test (macos-latest, 3.8)	1m 51s
test (macos-latest, 3.9)	2m 0s
test (macos-latest, 3.10)	1m 41s
test (macos-latest, 3.11)	1m 43s
test (macos-latest, 3.12)	8m 48s
test (macos-latest, pypy3.9)	5m 25s
test (windows-latest, 3.7)	5m 50s
test (windows-latest, 3.8)	2m 3s
test (windows-latest, 3.9)	1m 49s
test (windows-latest, 3.10)	2m 8s
test (windows-latest, 3.11)	2m 10s
test (windows-latest, 3.12)	7m 33s
test (windows-latest, pypy3.9)	9m 52s
doc	1m 4s
	2h 13m 50s

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