.rubocop.yml in fawry-0.3.0 vs .rubocop.yml in fawry-1.0.0

@@ -1,4 +1,6 @@
+AllCops:
+  TargetRubyVersion: 2.6
 Metrics/LineLength:
   Max: 120
 Metrics/BlockLength:
   ExcludedMethods: ['describe', 'context']
 Style/Documentation:
\ No newline at end of file