test

Add a YAML-parsing benchmark #2354

Job	Run time
ubuntu-latest - 3.13	7m 57s
ubuntu-latest - 3.10	7m 17s
ubuntu-latest - 3.11	8m 34s
ubuntu-latest - pypy-3.11	14m 4s
ubuntu-24.04-arm - 3.10	6m 16s
ubuntu-24.04-arm - 3.11	7m 36s
ubuntu-latest - 3.14	8m 53s
ubuntu-latest - 3.15-dev	7m 32s
windows-latest - 3.14	13m 7s
ubuntu-latest - 3.14 free-threading	8m 23s
ubuntu-24.04-arm - 3.14	7m 28s
ubuntu-24.04-arm - 3.14 free-threading	7m 31s
ubuntu-24.04-arm - 3.12	7m 29s
ubuntu-latest - 3.12	7m 58s
ubuntu-latest - 3.15-dev free-threading	9m 30s
macos-latest - 3.14	9m 59s
ubuntu-24.04-arm - 3.13	7m 26s
	2h 27m 0s

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