[PR #9649/f2f5b056 backport][3.11] Avoid memory copy in the WebSocket reader for small payloads #7441

Job	Run time
Generate llhttp sources	11s
Linter	53s
Benchmark	2m 11s
Test (3.9, ubuntu, false)	5m 32s
Test (3.9, macos, false)	4m 31s
Test (3.9, windows, false)	6m 57s
Test (3.9, Y, ubuntu, false)	5m 42s
Test (3.10, ubuntu, false)	6m 14s
Test (3.10, macos, false)	4m 32s
Test (3.10, windows, false)	6m 55s
Test (3.10, Y, ubuntu, false)	5m 30s
Test (3.11, ubuntu, false)	5m 30s
Test (3.11, macos, false)	4m 35s
Test (3.11, windows, false)	6m 22s
Test (3.11, Y, ubuntu, false)	5m 15s
Test (3.12, ubuntu, false)	6m 13s
Test (3.12, macos, false)	4m 37s
Test (3.12, windows, false)	7m 59s
Test (3.12, Y, ubuntu, false)	5m 24s
Test (3.13, ubuntu, false)	6m 41s
Test (3.13, macos, false)	4m 40s
Test (3.13, windows, false)	8m 32s
Test (3.13, Y, ubuntu, false)	5m 31s
Test (pypy-3.9, Y, ubuntu, false)	11m 27s
Test (ubuntu, 3.14, true, Y)	2m 44s
check	3s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
	2h 14m 41s

Provide feedback