Enable ProactorEventLoop on windows for ipykernel #4187

Job	Run time
check_release	1m 46s
Test Lint	58s
Make SDist	29s
test_docs	55s
Test Minimum Versions	2m 42s
Test Prereleases	2m 36s
test_without_debugpy (ubuntu-latest, 3.10)	2m 18s
link_check	2m 25s
build (ubuntu-latest, qt5, pypy-3.11)	3m 45s
build (ubuntu-latest, qt6, pypy-3.11)	3m 26s
build (macos-latest, qt6, 3.11)	3m 6s
build (ubuntu-latest, qt5, 3.14)	2m 40s
build (ubuntu-latest, qt6, 3.10)	2m 51s
build (windows-latest, qt5, 3.14)	2m 46s
build (ubuntu-latest, qt6, 3.11)	2m 47s
build (ubuntu-latest, qt6, 3.12)	2m 46s
build (ubuntu-latest, qt6, 3.13)	2m 44s
build (windows-latest, qt5, pypy-3.11)	6m 44s
build (windows-latest, qt5, 3.10)	2m 31s
build (macos-latest, qt6, 3.12)	4m 39s
build (windows-latest, qt6, 3.11)	4m 35s
build (macos-latest, qt6, 3.10)	3m 47s
build (macos-latest, qt6, pypy-3.11)	4m 8s
build (macos-latest, qt5, 3.10)	2m 58s
build (macos-latest, qt6, 3.13)	3m 43s
build (windows-latest, qt6, 3.12)	2m 33s
build (macos-latest, qt5, pypy-3.11)	5m 4s
build (macos-latest, qt5, 3.14)	2m 53s
build (windows-latest, qt6, 3.13)	2m 52s
build (windows-latest, qt6, pypy-3.11)	6m 4s
build (windows-latest, qt6, 3.10)	4m 42s
build (ubuntu-latest, qt5, 3.10)	2m 48s
Install from SDist and Test	2m 28s
coverage	-1s
	1h 43m 28s

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