Fix expectation for CRuby master #1795

Job	Run time
RuboCop	34s
specs (ubuntu, 3.0.6)	1m 35s
specs (ubuntu, 3.1.4)	1m 37s
specs (ubuntu, 3.2.2)	1m 25s
specs (ubuntu, 3.3.0)	1m 23s
specs (macos, 3.0.6)	1m 37s
specs (macos, 3.1.4)	1m 19s
specs (macos, 3.2.2)	1m 29s
specs (macos, 3.3.0)	1m 11s
specs (windows, 3.0.6)	3m 42s
specs (windows, 3.1.4)	4m 16s
specs (windows, 3.2.2)	4m 55s
specs (windows, 3.3.0)	4m 48s
specs (ubuntu, 3.3.0, --enable-frozen-string-literal)	1m 26s
	31m 17s

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