Fastlane: use Transporter.app

See fastlane/fastlane#20371

fastlane/Fastfile

@@ -33,6 +33,7 @@ platform :ios do
     end
 
     xcversion(version: '~> 14')
+    ENV['FASTLANE_ITUNES_TRANSPORTER_PATH'] = '/Applications/Transporter.app/Contents/itms'
 
     if cleaned_lane_condition(lane)
       ensure_git_status_clean(show_uncommitted_changes: true, show_diff: true)
@@ -922,6 +923,7 @@ platform :ios do
   after_all do |lane|
     if cleaned_lane_condition(lane)
       ENV.delete('DERIVED_DATA_CLEANED')
+      ENV.delete('FASTLANE_ITUNES_TRANSPORTER_PATH')
       reset_git_repo(skip_clean: true)
     end
   end
@@ -930,6 +932,7 @@ platform :ios do
     if cleaned_lane_condition(lane)
       clean_build_artifacts
       ENV.delete('DERIVED_DATA_CLEANED')
+      ENV.delete('FASTLANE_ITUNES_TRANSPORTER_PATH')
       reset_git_repo(skip_clean: true, force: true)
     end
   end