feat: support correcting `*_in_delta` assertions in `RSpec/Rails/MinitestAssertions` #1844

Job	Run time
Confirm config and documentation	14s
Test coverage	20s
Edge RuboCop: internal_investigation	16s
Ruby 2.7: internal_investigation	29s
Edge RuboCop: spec	20s
RSpec 4	20s
Ruby 2.7: spec	34s
Ruby 3.0: internal_investigation	15s
Ruby 3.0: spec	22s
Ruby 3.1: internal_investigation	15s
Ruby 3.1: spec	21s
Ruby 3.2: internal_investigation	12s
Ruby 3.2: spec	22s
Ruby 3.3: internal_investigation	16s
Ruby 3.3: spec	19s
Ruby ruby-head: internal_investigation	12s
Ruby ruby-head: spec	21s
Ruby jruby-9.4: internal_investigation	1m 16s
Ruby jruby-9.4: spec	1m 18s
	8m 2s

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