Promote `Style/WordArray` rule out of todo into main config (#33580)

.rubocop/style.yml

@@ -58,3 +58,6 @@ Style/TrailingCommaInArrayLiteral:
 
 Style/TrailingCommaInHashLiteral:
   EnforcedStyleForMultiline: comma
+
+Style/WordArray:
+  MinSize: 3 # Override default of 2

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --auto-gen-only-exclude --no-offense-counts --no-auto-gen-timestamp`
-# using RuboCop version 1.69.2.
+# using RuboCop version 1.70.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -103,10 +103,3 @@ Style/RedundantConstantBase:
   Exclude:
     - 'config/environments/production.rb'
     - 'config/initializers/sidekiq.rb'
-
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: WordRegex.
-# SupportedStyles: percent, brackets
-Style/WordArray:
-  EnforcedStyle: percent
-  MinSize: 3