Add new `RSpec/RedundantPredicateMatcher` cop #1735

Job	Run time
Confirm config and documentation	13s
Edge RuboCop: internal_investigation	17s
Edge RuboCop: spec	25s
Test coverage	23s
Ruby 2.7: internal_investigation	32s
RSpec 4	23s
Ruby 2.7: spec	35s
Ruby 3.0: internal_investigation	18s
Ruby 3.0: spec	27s
Ruby 3.1: internal_investigation	19s
Ruby 3.1: spec	23s
Ruby 3.2: internal_investigation	14s
Ruby 3.2: spec	22s
Ruby ruby-head: internal_investigation	18s
Ruby ruby-head: spec	23s
Ruby jruby-9.4: internal_investigation	1m 23s
Ruby jruby-9.4: spec	1m 31s
	8m 26s

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