ci: Exclude macos tests below 27.2 #43

# to view logs

Job	Run time
test (ubuntu-latest, 26.3, false)	27s
test (ubuntu-latest, 27.2, false)	33s
test (ubuntu-latest, 28.2, false)	31s
test (ubuntu-latest, 29.3, false)	35s
test (macos-latest, 28.2, false)	1m 15s
test (macos-latest, 29.3, false)	1m 25s
test (windows-latest, 26.3, false)	2m 17s
test (windows-latest, 27.2, false)	47s
test (windows-latest, 28.2, false)	40s
test (windows-latest, 29.3, false)	1m 12s
test (ubuntu-latest, snapshot, true)	27s
test (macos-latest, snapshot, true)	1m 8s
test (windows-latest, snapshot, true)	35s
	11m 52s

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