Upgrade to jupyter_client 8.8.0 (#1487) #3850

Job	Run time
check_release	1m 57s
Test Lint	54s
test_docs	44s
Test Minimum Versions	2m 57s
test_without_debugpy (ubuntu-latest, 3.10)	2m 13s
Make SDist	29s
link_check	3m 44s
Test Prereleases	2m 35s
build (ubuntu-latest, qt5, 3.14)	2m 30s
build (ubuntu-latest, qt6, 3.10)	2m 47s
build (windows-latest, qt5, pypy-3.11)	7m 8s
build (ubuntu-latest, qt6, pypy-3.11)	3m 44s
build (windows-latest, qt5, 3.10)	4m 28s
build (ubuntu-latest, qt6, 3.13)	2m 41s
build (macos-latest, qt6, 3.12)	3m 40s
build (ubuntu-latest, qt6, 3.12)	2m 50s
build (macos-latest, qt5, 3.14)	4m 11s
build (windows-latest, qt6, 3.12)	4m 0s
build (windows-latest, qt5, 3.14)	4m 41s
build (macos-latest, qt6, 3.13)	2m 54s
build (windows-latest, qt6, 3.11)	3m 51s
build (ubuntu-latest, qt5, pypy-3.11)	3m 5s
build (windows-latest, qt6, pypy-3.11)	4m 11s
build (windows-latest, qt6, 3.10)	3m 55s
build (macos-latest, qt5, pypy-3.11)	5m 13s
build (ubuntu-latest, qt6, 3.11)	2m 37s
build (macos-latest, qt6, 3.10)	3m 42s
build (windows-latest, qt6, 3.13)	3m 57s
build (macos-latest, qt6, pypy-3.11)	5m 27s
build (ubuntu-latest, qt5, 3.10)	2m 38s
build (macos-latest, qt5, 3.10)	3m 20s
build (macos-latest, qt6, 3.11)	3m 1s
Install from SDist and Test	2m 23s
coverage	-1s
	1h 48m 26s

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