Sinatra 4 update: Update logger call

Author: jochenehret

spec/unit/controllers/base/base_controller_spec.rb

@@ -96,7 +96,7 @@ def self.translate_validation_exception(_error, _attrs)
         end
 
         it 'logs a debug message' do
-          expect(logger).to receive(:debug).with('cc.dispatch', endpoint: :test_endpoint, args: [])
+          expect(logger).to receive(:debug).with('cc.dispatch endpoint=test_endpoint args=[]')
           get '/test_endpoint'
         end
       end