Update README.md #612

Job	Run time
test (ubuntu-latest, 27.2, false)	39s
test (ubuntu-latest, 28.2, false)	37s
test (ubuntu-latest, 29.4, false)	4m 50s
test (ubuntu-latest, 30.1, false)	3m 21s
test (macos-latest, 28.2, false)	2m 6s
test (macos-latest, 29.4, false)	7m 30s
test (macos-latest, 30.1, false)	8m 12s
test (windows-latest, 27.2, false)	17m 32s
test (windows-latest, 28.2, false)	14m 54s
test (windows-latest, 29.4, false)	8m 10s
test (windows-latest, 30.1, false)	26m 10s
test (ubuntu-latest, snapshot, true)	32s
test (macos-latest, snapshot, true)	1m 21s
test (windows-latest, snapshot, true)	25m 43s
	2h 1m 37s

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