Update dependency pytest to v9 [SECURITY] (#58) #261

Job	Run time
build (macos-latest, 3.11, false)	1m 0s
build (ubuntu-latest, 3.11, false)	1m 26s
build (ubuntu-latest, 3.13, false)	1m 25s
build (ubuntu-latest, 3.12, false)	1m 27s
build (macos-latest, 3.14t, false)	1m 44s
build (windows-latest, 3.14, false)	2m 2s
build (3.14, ubuntu-24.04-arm, false)	1m 22s
build (3.13, windows-11-arm, false)	1m 47s
build (windows-latest, 3.12, false)	1m 41s
build (3.14, windows-11-arm, false)	1m 50s
build (ubuntu-latest, 3.10, false)	1m 36s
build (macos-latest, 3.10, false)	1m 45s
build (3.14t, windows-11-arm, false)	3m 34s
build (windows-latest, 3.13, false)	1m 59s
build (macos-latest, pypy3.11, false)	4m 51s
build (ubuntu-latest, 3.14, false)	1m 25s
build (macos-latest, 3.13, false)	1m 4s
build (3.13, ubuntu-24.04-arm, false)	1m 40s
build (macos-latest, 3.14, false)	51s
build (ubuntu-latest, pypy3.11, false)	3m 18s
build (windows-latest, 3.10, false)	1m 55s
build (3.14t, ubuntu-24.04-arm, false)	1m 48s
build (windows-latest, 3.11, false)	1m 50s
build (windows-latest, 3.14t, false)	2m 30s
build (ubuntu-latest, 3.14t, false)	1m 43s
build (windows-latest, pypy3.11, false)	9m 12s
build (macos-latest, 3.12, false)	1m 9s
	57m 54s

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