(CAT-1688) Upgrade rubocop to `~> 1.50.0` #400

Job	Run time
spec (ubuntu-latest ruby 2.7 \| puppet ~> 7.0) / spec	38s
spec (windows-latest ruby 2.7 \| puppet ~> 7.0) / spec	2m 25s
spec (ubuntu-latest ruby 3.2 \| puppet ~> 8.0) / spec	33s
spec (windows-latest ruby 3.2 \| puppet ~> 8.0) / spec	2m 24s
acceptance (3.2, windows-latest) / acceptance	2m 10s
acceptance (2.7, windows-latest) / acceptance	1m 46s
acceptance (2.7, ubuntu-latest) / acceptance	24s
acceptance (3.2, ubuntu-latest) / acceptance	20s
	10m 40s

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