Enable ProactorEventLoop on windows for ipykernel #3736

Job	Run time
test_docs	44s
Test Lint	46s
check_release	1m 39s
Make SDist	25s
link_check	4m 2s
test_without_debugpy (ubuntu-latest, 3.10)	2m 23s
Test Minimum Versions	2m 45s
build (ubuntu-latest, qt5, 3.14)	2m 37s
build (ubuntu-latest, qt5, 3.10)	2m 33s
build (ubuntu-latest, qt6, 3.11)	2m 41s
Test Prereleases	2m 26s
build (ubuntu-latest, qt6, 3.10)	2m 40s
build (windows-latest, qt5, 3.10)	3m 20s
build (windows-latest, qt5, pypy-3.11)	4m 53s
build (ubuntu-latest, qt5, pypy-3.11)	3m 49s
build (ubuntu-latest, qt6, 3.12)	2m 34s
build (windows-latest, qt6, 3.12)	3m 12s
build (macos-latest, qt5, 3.10)	4m 7s
build (ubuntu-latest, qt6, 3.13)	2m 46s
build (ubuntu-latest, qt6, pypy-3.11)	3m 49s
build (macos-latest, qt6, 3.12)	2m 51s
build (macos-latest, qt6, 3.13)	2m 50s
build (macos-latest, qt5, 3.14)	2m 29s
build (macos-latest, qt6, pypy-3.11)	5m 52s
build (macos-latest, qt6, 3.10)	3m 22s
build (macos-latest, qt6, 3.11)	2m 38s
build (windows-latest, qt5, 3.14)	2m 56s
build (windows-latest, qt6, pypy-3.11)	4m 36s
build (windows-latest, qt6, 3.10)	3m 32s
build (windows-latest, qt6, 3.13)	2m 43s
build (windows-latest, qt6, 3.11)	4m 17s
build (macos-latest, qt5, pypy-3.11)	5m 21s
Install from SDist and Test	2m 24s
coverage	-1s
	1h 40m 1s

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