ci: Test Emacs 30.1 #13

Job	Run time
test (ubuntu-latest, 26.3, false)	36s
test (ubuntu-latest, 27.2, false)	35s
test (ubuntu-latest, 28.2, false)	34s
test (ubuntu-latest, 29.4, false)	4m 2s
test (ubuntu-latest, 30.1, false)	4m 14s
test (macos-latest, 28.2, false)	1m 40s
test (macos-latest, 29.4, false)	4m 56s
test (macos-latest, 30.1, false)	8m 2s
test (windows-latest, 26.3, false)	11m 16s
test (windows-latest, 27.2, false)	17m 54s
test (windows-latest, 28.2, false)	4m 48s
test (windows-latest, 29.4, false)	7m 42s
test (windows-latest, 30.1, false)	8m 2s
test (ubuntu-latest, snapshot, true)	35s
test (macos-latest, snapshot, true)	1m 42s
test (windows-latest, snapshot, true)	7m 31s
	1h 24m 9s

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