ipykernel tests #1928

Job	Run time
check_release	2m 22s
test_docs	4m 57s
link_check	4m 38s
Make SDist	1m 35s
build (ubuntu-latest, 3.8)	3m 43s
Test Lint	1m 40s
Test Prereleases	3m 33s
build (ubuntu-latest, 3.11)	3m 26s
test_without_debugpy (ubuntu-latest, 3.9)	1m 49s
Test Minimum Versions	3m 58s
build (windows-latest, 3.8)	11m 10s
build (windows-latest, 3.11)	8m 54s
build (macos-latest, 3.8)	7m 23s
build (macos-latest, 3.11)	7m 35s
build (windows-latest, 3.9)	12m 3s
build (ubuntu-latest, pypy-3.8)	3m 51s
build (macos-latest, 3.10)	7m 25s
Install from SDist and Test	3m 8s
coverage	28s
tests_check	3s
	1h 33m 41s

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