Use extended `CopsDocumentationGenerator` #2554

Job	Run time
Confirm config and documentation	11s
Test coverage	27s
Edge RuboCop: internal_investigation	17s
Edge RuboCop: spec	30s
Ruby 2.7: internal_investigation	28s
Oldest RuboCop: spec	29s
Ruby 2.7: spec	46s
Ruby 3.0: internal_investigation	13s
Prism	1m 3s
Ruby 3.0: spec	25s
RSpec 4	27s
Ruby 3.1: internal_investigation	15s
Ruby 3.1: spec	26s
Ruby 3.2: internal_investigation	17s
Ruby 3.2: spec	29s
Ruby 3.3: internal_investigation	16s
Ruby 3.3: spec	30s
Ruby 3.4: internal_investigation	12s
Ruby 3.4: spec	27s
Ruby ruby-head: internal_investigation	13s
Ruby ruby-head: spec	28s
Ruby jruby-9.4: internal_investigation	1m 26s
Ruby jruby-9.4: spec	1m 37s
	11m 52s

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