Update finalizer spec to run with Ruby 3.4.2 #382

Job	Run time
RuboCop	31s
specs (ubuntu, 3.1.6)	1m 31s
specs (ubuntu, 3.2.7)	1m 35s
specs (ubuntu, 3.3.7)	1m 23s
specs (ubuntu, 3.4.2)	4s
specs (macos, 3.1.6)	1m 18s
specs (macos, 3.2.7)	1m 16s
specs (macos, 3.3.7)	1m 18s
specs (macos, 3.4.2)	6s
specs (windows, 3.1.6)	3m 50s
specs (windows, 3.2.7)	3m 59s
specs (windows, 3.3.7)	3m 35s
specs (windows, 3.4.2)	11s
specs (ubuntu, 3.3.0, --enable-frozen-string-literal)	1m 27s
	22m 4s

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