.rubocop.yml in postgres-vacuum-monitor-0.11.0 vs .rubocop.yml in postgres-vacuum-monitor-0.12.0

@@ -1,8 +1,8 @@
 inherit_gem:
   salsify_rubocop: conf/rubocop_rails.yml
 
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.6
   Exclude:
     - 'vendor/**/*'
     - 'gemfiles/**/*'