chore(rubocop): giganto rubocop commit.

muahahahah

config/environments/test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 Railsgoat::Application.configure do
   # Settings specified here will take precedence over those in config/application.rb
 
@@ -9,7 +10,7 @@ Railsgoat::Application.configure do
 
   # Configure static asset server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
-  config.public_file_server.headers = { 'Cache-Control' => 'public, max-age=3600' }
+  config.public_file_server.headers = { "Cache-Control" => "public, max-age=3600" }
 
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true