Feature: Fork kernel #2460

Job	Run time
build (ubuntu-latest, 3.8)	1m 15s
build (ubuntu-latest, 3.12)	1m 1s
check_release	1m 48s
build (windows-latest, 3.8)	5m 14s
build (windows-latest, 3.12)	4m 7s
build (macos-latest, 3.8)	2m 29s
link_check	3m 24s
build (macos-latest, 3.12)	56s
build (windows-latest, 3.9)	5m 18s
Make SDist	42s
build (ubuntu-latest, pypy-3.9)	1m 45s
test_docs	56s
build (macos-latest, 3.10)	1m 7s
build (ubuntu-latest, 3.11)	1m 14s
Test Lint	55s
Test Minimum Versions	47s
Test Prereleases	39s
test_without_debugpy (ubuntu-latest, 3.9)	1m 6s
Install from SDist and Test	46s
coverage	0s
tests_check	4s
	35m 33s

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