Update references and examples for Capybara cops in documentation #295

Job	Run time
Test coverage	15s
Confirm config and documentation	15s
Edge RuboCop: internal_investigation	17s
Prism	44s
Ruby 2.7: internal_investigation	29s
RSpec 4	21s
Edge RuboCop: spec	15s
Ruby 2.7: spec	29s
Ruby 3.0: internal_investigation	16s
Ruby 3.0: spec	14s
Ruby 3.1: internal_investigation	16s
Ruby 3.1: spec	14s
Ruby 3.2: internal_investigation	13s
Ruby 3.2: spec	13s
Ruby 3.3: internal_investigation	13s
Ruby 3.3: spec	14s
Ruby ruby-head: internal_investigation	14s
Ruby ruby-head: spec	15s
Ruby jruby-9.4: internal_investigation	57s
Ruby jruby-9.4: spec	1m 3s
	7m 27s

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