[PR #8641/0a88bab backport][3.10] Fix WebSocket ping tasks being prematurely garbage collected #4323

Job	Run time
Generate llhttp sources	13s
Linter	55s
Test (3.8, ubuntu, false)	6m 2s
Test (3.8, windows, false)	6m 2s
Test (3.8, Y, ubuntu, false)	5m 12s
Test (3.9, ubuntu, false)	6m 39s
Test (3.9, macos, false)	4m 30s
Test (3.9, windows, false)	6m 14s
Test (3.9, Y, ubuntu, false)	5m 11s
Test (3.10, ubuntu, false)	6m 54s
Test (3.10, macos, false)	3m 56s
Test (3.10, windows, false)	6m 36s
Test (3.10, Y, ubuntu, false)	6m 43s
Test (3.11, ubuntu, false)	6m 25s
Test (3.11, macos, false)	4m 39s
Test (3.11, windows, false)	6m 34s
Test (3.11, Y, ubuntu, false)	4m 57s
Test (3.12, ubuntu, false)	6m 24s
Test (3.12, macos, false)	4m 2s
Test (3.12, windows, false)	6m 21s
Test (3.12, Y, ubuntu, false)	6m 58s
Test (pypy-3.9, Y, ubuntu, false)	11m 11s
Test (ubuntu, 3.13, true, Y)	2m 6s
check	2s
Pre-Deploy	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Tarball	0s
Deploy	0s
	2h 4m 46s

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