(maint) Fix rubocop lint warnings #374

Job	Run time
spec (ruby 2.7) / spec	55s
spec (ruby 3.2) / spec	36s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 36s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	12m 57s
acceptance (ruby 3.2 \| windows-2019) / acceptance	42m 14s
acceptance (ruby 2.7 \| windows-2019) / acceptance	29m 45s
	1h 39m 3s

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