Fix `RSpec/MatchWithSimpleRegex` to ignore match nested inside include matchers #2979

Job	Run time
Prism	38s
Confirm config and documentation	15s
Edge RuboCop: internal_investigation	21s
RSpec 4	25s
Edge RuboCop: spec	23s
Test coverage	22s
Ruby 2.7: internal_investigation	34s
Ruby 3.2: internal_investigation	16s
Ruby 3.1: spec	25s
Ruby 3.4: internal_investigation	18s
Ruby 3.4: spec	23s
Ruby 3.2: spec	27s
Ruby 3.0: internal_investigation	14s
Ruby 3.0: spec	26s
Ruby 4.0: spec	24s
Ruby 2.7: spec	36s
Ruby 3.3: internal_investigation	19s
Ruby 3.1: internal_investigation	18s
Oldest RuboCop: spec	21s
Ruby 3.3: spec	29s
Ruby ruby-head: spec	20s
Ruby jruby-9.4: internal_investigation	1m 24s
Ruby jruby-9.4: spec	1m 34s
Ruby ruby-head: internal_investigation	15s
Ruby 4.0: internal_investigation	19s
	11m 46s

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