.rubocop.yml in tram-policy-2.1.0 vs .rubocop.yml in tram-policy-2.2.0

@@ -1,10 +1,10 @@
 ---
 AllCops:
   DisplayCopNames:    true
   DisplayStyleGuide:  true
   StyleGuideCopsOnly: true
-  TargetRubyVersion:  2.4
+  TargetRubyVersion:  3.0
 
 Lint/AmbiguousBlockAssociation:
   Enabled: false
 
 Naming/FileName: