Update finalizer spec to run with Ruby 3.4.2 #383

Job	Run time
RuboCop	32s
specs (ubuntu, 3.1.6)	1m 29s
specs (ubuntu, 3.2.7)	1m 33s
specs (ubuntu, 3.3.7)	1m 27s
specs (ubuntu, 3.4.2)	1m 37s
specs (macos, 3.1.6)	1m 18s
specs (macos, 3.2.7)	1m 32s
specs (macos, 3.3.7)	1m 4s
specs (macos, 3.4.2)	1m 15s
specs (windows, 3.1.6)	4m 30s
specs (windows, 3.2.7)	4m 27s
specs (windows, 3.3.7)	4m 2s
specs (windows, 3.4.2)	3m 56s
specs (ubuntu, 3.3.0, --enable-frozen-string-literal)	1m 30s
	30m 12s

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