Refactor payload registry to avoid linear searches for common types #7914

Job	Run time
Linter	51s
Generate llhttp sources	11s
Benchmark	2m 4s
Test (3.9, ubuntu, false)	1s
Test (3.9, macos, false)	17s
Test (3.9, windows, false)	53s
Test (3.9, Y, ubuntu, false)	1s
Test (3.10, ubuntu, false)	2m 4s
Test (3.10, macos, false)	2m 6s
Test (3.10, windows, false)	1m 50s
Test (3.10, Y, ubuntu, false)	2m 4s
Test (3.11, ubuntu, false)	2m 2s
Test (3.11, macos, false)	2m 7s
Test (3.11, windows, false)	1m 44s
Test (3.11, Y, ubuntu, false)	2m 3s
Test (3.12, ubuntu, false)	2m 2s
Test (3.12, macos, false)	2m 5s
Test (3.12, windows, false)	1m 49s
Test (3.12, Y, ubuntu, false)	2m 3s
Test (3.13, ubuntu, false)	1m 52s
Test (3.13, macos, false)	1m 58s
Test (3.13, windows, false)	54s
Test (3.13, Y, ubuntu, false)	1m 20s
Test (pypy-3.9, Y, ubuntu, false)	1s
Test (ubuntu, 3.14, true, Y)	1s
check	2s
Pre-Deploy	1s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	1s
Tarball	1s
Deploy	1s
	34m 29s

Provide feedback