macos

Small string fixes for encoding compatibility issues #439

Job	Run time
ruby-versions / Generate Ruby versions	3s
macos-13 2.7	1m 2s
macos-13 3.0	23s
macos-13 3.1	37s
macos-13 3.2	18s
macos-13 3.3	25s
macos-13 3.4	25s
macos-13 debug	27s
macos-13 head	20s
macos-14 2.7	29s
macos-14 3.0	17s
macos-14 3.1	12s
macos-14 3.2	12s
macos-14 3.3	11s
macos-14 3.4	15s
macos-14 debug	18s
macos-14 head	13s
	6m 7s

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