.rubocop.yml in flows-0.5.0 vs .rubocop.yml in flows-0.5.1

@@ -3,10 +3,11 @@
   - rubocop-performance
   - rubocop-md
 
 AllCops:
   TargetRubyVersion: 2.7
+  NewCops: enable
 
 Style/HashEachMethods:
   Enabled: true
 
 Style/HashTransformKeys:
@@ -56,5 +57,8 @@
   PreferredName: err
 
 Style/Documentation:
   Exclude:
     - 'lib/flows/shared_context_pipeline/step.rb' # false positive here
+
+Style/SlicingWithRange:
+  Enabled: false # to support Ruby 2.5