fix: migrate repo username nil is excepted

app/jobs/migrate_remote_repository_job.rb

@@ -6,7 +6,7 @@ class MigrateRemoteRepositoryJob < ApplicationJob
     return if repo.blank?
 
     puts "############ MigrateRemoteRepositoryJob starting ... ############"
-
+    params.except!(:auth_password, :auth_username) if params[:auth_username].nil?
     gitea_repository = Gitea::Repository::MigrateService.new(token, params).call
     puts "#gitea_repository#{gitea_repository}"
     if gitea_repository[0]==201