Fix ipykernel install #2764

Job	Run time
check_release	2m 41s
build (ubuntu-latest, 3.9)	3m 5s
build (ubuntu-latest, 3.13)	3m 22s
test_docs	51s
build (windows-latest, 3.9)	9m 13s
build (windows-latest, 3.13)	7m 34s
build (macos-latest, 3.9)	3m 15s
Test Lint	2m 39s
test_without_debugpy (ubuntu-latest, 3.9)	1m 55s
build (macos-latest, 3.13)	4m 53s
build (ubuntu-latest, pypy-3.9)	4m 11s
build (macos-latest, 3.10)	3m 4s
link_check	3m 42s
Make SDist	25s
build (ubuntu-latest, 3.11)	2m 56s
build (ubuntu-latest, 3.12)	3m 17s
Test Minimum Versions	2m 22s
Test Prereleases	2m 7s
Install from SDist and Test	1m 56s
coverage	19s
tests_check	1s
	1h 3m 48s

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