fix: replace deprecated Pagy.options with Pagy::OPTIONS

Author: mroderick

config/initializers/pagy.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 # Pagy options
-Pagy.options[:size] = [1, 3, 3, 1]
-Pagy.options[:overflow] = :empty_page
+Pagy::OPTIONS[:size] = [1, 3, 3, 1]
+Pagy::OPTIONS[:overflow] = :empty_page
 
 # Freeze options so they don't get changed accidentally
-Pagy.options.freeze
+Pagy::OPTIONS.freeze