test

Add a YAML-parsing benchmark (#342) #2355

Job	Run time
ubuntu-latest - 3.10	7m 18s
ubuntu-24.04-arm - 3.12	7m 32s
ubuntu-latest - 3.12	8m 47s
ubuntu-24.04-arm - 3.10	6m 27s
ubuntu-latest - 3.14 free-threading	9m 25s
ubuntu-24.04-arm - 3.14	7m 21s
ubuntu-latest - 3.11	8m 31s
ubuntu-latest - 3.13	7m 58s
ubuntu-latest - pypy-3.11	14m 41s
windows-latest - 3.14	13m 3s
ubuntu-24.04-arm - 3.11	7m 18s
ubuntu-latest - 3.15-dev	7m 16s
ubuntu-latest - 3.14	8m 54s
ubuntu-24.04-arm - 3.14 free-threading	7m 17s
macos-latest - 3.14	8m 14s
ubuntu-24.04-arm - 3.13	7m 29s
ubuntu-latest - 3.15-dev free-threading	8m 26s
	2h 25m 57s

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