[PR #8297/d15f07cf backport][3.9] Upgrade to llhttp 9.2.1 (#8292) #3144

Job	Run time
Generate llhttp sources	8s
Linter	1m 4s
Test (3.8, ubuntu, false)	6m 19s
Test (3.8, windows, false)	6m 30s
Test (3.8, Y, ubuntu, false)	5m 7s
Test (3.9, ubuntu, false)	5m 18s
Test (3.9, macos, false)	7m 2s
Test (3.9, windows, false)	5m 57s
Test (3.9, Y, ubuntu, false)	5m 59s
Test (3.10, ubuntu, false)	5m 39s
Test (3.10, macos, false)	7m 48s
Test (3.10, windows, false)	5m 51s
Test (3.10, Y, ubuntu, false)	5m 55s
Test (3.11, ubuntu, false)	5m 35s
Test (3.11, macos, false)	8m 13s
Test (3.11, windows, false)	6m 58s
Test (3.11, Y, ubuntu, false)	4m 41s
Test (3.12, ubuntu, false)	6m 53s
Test (3.12, macos, false)	7m 57s
Test (3.12, windows, false)	6m 45s
Test (3.12, Y, ubuntu, false)	5m 9s
Test (pypy-3.9, Y, ubuntu, false)	10m 49s
Test (ubuntu, 3.13, true, Y)	47s
check	4s
Pre-Deploy	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Tarball	0s
Deploy	0s
	2h 12m 28s

Provide feedback