Update README.md #28

Job	Run time
test (ubuntu-latest, 26.3, false)	41s
test (ubuntu-latest, 27.2, false)	37s
test (ubuntu-latest, 28.2, false)	40s
test (ubuntu-latest, 29.1, false)	37s
test (macos-latest, 26.3, false)	1m 59s
test (macos-latest, 27.2, false)	2m 8s
test (macos-latest, 28.2, false)	2m 34s
test (macos-latest, 29.1, false)	2m 48s
test (windows-latest, 26.3, false)	1m 19s
test (windows-latest, 27.2, false)	1m 3s
test (windows-latest, 28.2, false)	35s
test (windows-latest, 29.1, false)	1m 0s
test (ubuntu-latest, snapshot, true)	29s
test (macos-latest, snapshot, true)	2m 0s
test (windows-latest, snapshot, true)	34s
	19m 4s

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