Add new `RSpec/RedundantPredicateMatcher` cop #1744

Job	Run time
Confirm config and documentation	11s
Test coverage	23s
Edge RuboCop: internal_investigation	17s
Edge RuboCop: spec	21s
RSpec 4	21s
Ruby 2.7: internal_investigation	25s
Ruby 2.7: spec	35s
Ruby 3.0: internal_investigation	13s
Ruby 3.0: spec	19s
Ruby 3.1: internal_investigation	16s
Ruby 3.1: spec	25s
Ruby 3.2: internal_investigation	13s
Ruby 3.2: spec	20s
Ruby ruby-head: internal_investigation	13s
Ruby ruby-head: spec	23s
Ruby jruby-9.4: internal_investigation	1m 23s
Ruby jruby-9.4: spec	1m 28s
	7m 46s

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