Remove explicit RuboCop target Ruby version

pboling · pboling · commit 1cd091ab72ed · 2026-06-04T12:42:57.000-06:00
diff --git a/.rubocop.yml b/.rubocop.yml
@@ -19,7 +19,6 @@ plugins:
 # It's the lowest supported Ruby version
 AllCops:
   DisplayCopNames: true # Display the name of the failing cops
-  TargetRubyVersion: 2.3
   NewCops: enable
 
 # It's a matter of taste
diff --git a/.tool-versions b/.tool-versions
@@ -1 +1 @@
-ruby 3.4.7
+ruby 4.0.5
