[PR #9200/42930b0 backport][3.10] Improve middleware performance #6050

Job	Run time
Linter	49s
Generate llhttp sources	6s
Test (3.8, ubuntu, false)	6m 19s
Test (3.8, windows, false)	7m 0s
Test (3.8, Y, ubuntu, false)	4m 51s
Test (3.9, ubuntu, false)	5m 58s
Test (3.9, macos, false)	4m 19s
Test (3.9, windows, false)	6m 23s
Test (3.9, Y, ubuntu, false)	5m 14s
Test (3.10, ubuntu, false)	6m 50s
Test (3.10, macos, false)	4m 44s
Test (3.10, windows, false)	6m 50s
Test (3.10, Y, ubuntu, false)	6m 27s
Test (3.11, ubuntu, false)	6m 21s
Test (3.11, macos, false)	4m 21s
Test (3.11, windows, false)	6m 8s
Test (3.11, Y, ubuntu, false)	5m 10s
Test (3.12, ubuntu, false)	6m 40s
Test (3.12, macos, false)	4m 24s
Test (3.12, windows, false)	6m 54s
Test (3.12, Y, ubuntu, false)	5m 12s
Test (pypy-3.9, Y, ubuntu, false)	11m 6s
Test (ubuntu, 3.13, true, Y)	1m 51s
check	1s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
	2h 3m 58s

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