test

Bump actions/checkout from 4 to 5 #2241

Job	Run time
ubuntu-latest - 3.12	8m 26s
ubuntu-latest - 3.10	6m 47s
ubuntu-24.04-arm - 3.13	6m 47s
ubuntu-latest - 3.14 free-threading	8m 16s
ubuntu-24.04-arm - 3.14	6m 44s
ubuntu-24.04-arm - 3.12	7m 14s
ubuntu-latest - 3.13	8m 11s
ubuntu-latest - 3.11	7m 53s
ubuntu-24.04-arm - 3.14 free-threading	6m 54s
ubuntu-24.04-arm - 3.11	7m 13s
ubuntu-24.04-arm - 3.10	5m 57s
ubuntu-latest - 3.14	8m 17s
ubuntu-latest - 3.15-dev	7m 37s
ubuntu-latest - 3.15-dev free-threading	10m 50s
macos-latest - 3.14	6m 5s
windows-latest - 3.14	12m 40s
ubuntu-latest - pypy-3.11	12m 46s
	2h 18m 37s

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