Move the department associated with `Capybara::RSpecMatchers` to `Capybara/RSpec/*` #278

Job	Run time
Confirm config and documentation	9s
Test coverage	11s
Prism	23s
Edge RuboCop: internal_investigation	20s
RSpec 4	12s
Edge RuboCop: spec	16s
Ruby 2.7: internal_investigation	21s
Ruby 2.7: spec	25s
Ruby 3.0: internal_investigation	9s
Ruby 3.0: spec	10s
Ruby 3.1: internal_investigation	11s
Ruby 3.1: spec	15s
Ruby 3.2: internal_investigation	8s
Ruby 3.2: spec	15s
Ruby 3.3: internal_investigation	10s
Ruby 3.3: spec	11s
Ruby ruby-head: internal_investigation	12s
Ruby ruby-head: spec	18s
Ruby jruby-9.4: internal_investigation	47s
Ruby jruby-9.4: spec	51s
	5m 54s

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