.rubocop.yml in afterpay-0.1.0 vs .rubocop.yml in afterpay-0.2.0

- old
+ new

@@ -1,5 +1,8 @@
 inherit_gem:
   relaxed-rubocop: .rubocop.yml
 
+AllCops:
+  TargetRubyVersion: 2.5
+
 Lint/MissingSuper:
   Enabled: false