Avoid too much failures on Rubocop cop changes

This is the same version as:
https://github.com/rspec/rspec-expectations/blob/master/Gemfile#L65

Related:
rspec/rspec-dev#222 (comment)

Author: benoittgt

.rubocop_rspec_base.yml

@@ -1,4 +1,4 @@
-# This file was generated on 2019-07-24T15:33:53+02:00 from the rspec-dev repo.
+# This file was generated on 2019-04-01T20:23:57+02:00 from the rspec-dev repo.
 # DO NOT modify it by hand as your changes will get lost the next time it is generated.
 
 # This file contains defaults for RSpec projects. Individual projects
@@ -135,7 +135,7 @@ Style/ParallelAssignment:
 Layout/EmptyLineBetweenDefs:
   Enabled: false
 
-Layout/FirstParameterIndentation:
+Layout/IndentFirstArgument:
   Enabled: false
 
 Naming/ConstantName:
@@ -258,7 +258,7 @@ Naming/HeredocDelimiterNaming:
 Layout/EmptyLineAfterMagicComment:
   Enabled: false
 
-Layout/IndentArray:
+Layout/IndentFirstArrayElement:
   Enabled: false
 
 Layout/IndentAssignment:

Gemfile

@@ -57,7 +57,7 @@ end
 
 gem "rubyzip", '~> 1.2'
 
-gem 'rubocop'
+gem 'rubocop', "~> 0.74"
 
 custom_gemfile = File.expand_path("../Gemfile-custom", __FILE__)
 eval_gemfile custom_gemfile if File.exist?(custom_gemfile)