(CAT-1688) Upgrade rubocop to `~> 1.50.0` #27

Job	Run time
spec (ruby 3.2 \| puppet ~> 8.0 - windows-latest) / spec	3m 36s
spec (ruby 3.2 \| puppet ~> 8.0 - ubuntu-latest) / spec	30s
spec (ruby 2.7 \| puppet ~> 7.0 - windows-latest) / spec	2m 24s
spec (ruby 2.7 \| puppet ~> 7.0 - ubuntu-latest) / spec	36s
	7m 6s

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