ci: Require stdlib Logger

Author: ixti

spec/lograge_spec.rb

@@ -8,6 +8,7 @@
 require 'action_controller'
 require 'action_controller/log_subscriber'
 require 'action_view/log_subscriber'
+require 'logger'
 
 describe Lograge do
   context "when removing Rails' log subscribers" do