Update update_generator.rb

Author: grantspeelman

lib/generators/cypress_on_rails/update_generator.rb

@@ -5,7 +5,7 @@ class UpdateGenerator < Rails::Generators::Base
 
     def update_generated_files
       template "config/initializers/cypress_on_rails.rb.erb", "config/initializers/cypress_on_rails.rb"
-      template "spec/cypress/cypress_helper.erb.rb", "#{options.cypress_folder}/cypress_helper.rb"
+      template "spec/cypress/cypress_helper.rb.erb", "#{options.cypress_folder}/cypress_helper.rb"
       copy_file "spec/cypress/support/on-rails.js", "#{options.cypress_folder}/support/on-rails.js"
       directory 'spec/cypress/app_commands', "#{options.cypress_folder}/app_commands"
     end