[PR #8089/dc38630b backport][3.9] 💅 Propagate error causes via asyncio protocols #2702

Job	Run time
Generate llhttp sources	5s
Linter	1m 9s
Test (3.8, ubuntu, false)	5m 8s
Test (3.8, windows, false)	5m 36s
Test (3.8, Y, ubuntu, false)	5m 24s
Test (3.9, ubuntu, false)	6m 38s
Test (3.9, macos, false)	6m 33s
Test (3.9, windows, false)	5m 59s
Test (3.9, Y, ubuntu, false)	4m 42s
Test (3.10, ubuntu, false)	5m 14s
Test (3.10, macos, false)	6m 40s
Test (3.10, windows, false)	6m 48s
Test (3.10, Y, ubuntu, false)	4m 35s
Test (pypy-3.9, Y, ubuntu, false)	10m 51s
Test (macos, 3.11, true, Y)	10m 23s
Test (ubuntu, 3.11, false, Y)	5m 27s
Test (windows, 3.11, true, Y)	14m 31s
Test (ubuntu, 3.12, true, Y)	5m 38s
Test (macos, 3.12, true, Y)	10m 12s
Test (windows, 3.12, true, Y)	16m 8s
check	9s
Pre-Deploy	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Tarball	0s
Deploy	0s
	2h 17m 50s

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