Fix Rubocop on violation Style/MapIntoArray, introduced by Ruby 3.3.x…

… latest verions of rubocop

spec/uploadcare/entity/decorator/paginator_spec.rb

@@ -55,9 +55,8 @@ module Decorator
           it 'iterates each file in list' do
             VCR.use_cassette('rest_file_list_each') do
               fl_with_params = FileList.file_list(limit: 2)
-              entities = []
-              fl_with_params.each do |file|
-                entities << file
+              entities = fl_with_params.map do |file|
+                file
               end
               expect(entities.length).to eq fl_with_params.total
             end