Fix matching when new method is called

In Ruby, the initialize method is defined, and we call it with `new`.

rubocop/cop/lint/last_keyword_argument.rb

@@ -47,6 +47,8 @@ module RuboCop
         def known_match?(file_path, line_number, method_name)
           file_path_from_root = file_path.sub(File.expand_path('../../..', __dir__), '')
 
+          method_name = 'initialize' if method_name == 'new'
+
           self.class.keyword_warnings.any? do |warning|
             warning.include?("#{file_path_from_root}:#{line_number}") && warning.include?("called method `#{method_name}'")
           end

spec/rubocop/cop/lint/last_keyword_argument_spec.rb

@@ -45,6 +45,9 @@ RSpec.describe RuboCop::Cop::Lint::LastKeywordArgument, type: :rubocop do
       <<~YAML
       ---
       test_api/projects_get_/projects_when_unauthenticated_behaves_like_projects_response_returns_an_array_of_projects:
+      - |
+        DEPRECATION WARNING: /Users/tkuah/code/ee-gdk/gitlab/projects_spec.rb:1: warning: Using the last argument as keyword parameters is deprecated; maybe ** should be added to the call
+        /Users/tkuah/code/ee-gdk/gitlab/lib/gitlab/project.rb:15: warning: The called method `initialize' is defined here
       - |
         DEPRECATION WARNING: /Users/tkuah/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/state_machines-activerecord-0.6.0/lib/state_machines/integrations/active_record.rb:511: warning: Using the last argument as keyword parameters is deprecated; maybe ** should be added to the call
         /Users/tkuah/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/activerecord-6.0.3.3/lib/active_record/suppressor.rb:43: warning: The called method `save' is defined here
@@ -70,6 +73,17 @@ RSpec.describe RuboCop::Cop::Lint::LastKeywordArgument, type: :rubocop do
       SOURCE
     end
 
+    it 'registers an offense for the new method call' do
+      expect_offense(<<~SOURCE, 'projects_spec.rb')
+        Project.new(params)
+                    ^^^^^^ Using the last argument as keyword parameters is deprecated
+      SOURCE
+
+      expect_correction(<<~SOURCE)
+        Project.new(**params)
+      SOURCE
+    end
+
     it 'registers an offense and corrects by converting hash to kwarg' do
       expect_offense(<<~SOURCE, 'create_service.rb')
         users.call(id, { a: :b, c: :d })