(CAT-1688) - Pin rubocop to `~> 1.50.0` #413

Job	Run time
spec (ruby 3.2) / spec	41s
spec (ruby 2.7) / spec	57s
acceptance (ruby 3.2 \| windows-2019) / acceptance	42m 26s
acceptance (ruby 2.7 \| windows-2019) / acceptance	29m 56s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	13m 37s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 59s
	1h 40m 36s

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