Avoid ArgumentError when using kwargs with delay

- this was deprecated in Ruby 2.7 and breaks in Ruby 3.0,
See collectiveidea/delayed_job#1134
https://www.ruby-lang.org/en/news/2019/12/12/separation-of-positional-and-keyword-arguments-in-ruby-3-0/

app/jobs/broadcast_request_job.rb

@@ -3,13 +3,13 @@
 class BroadcastRequestJob < ApplicationJob
   queue_as :broadcast_request
 
-  def perform(request_id:)
+  def perform(request_id)
     request = Request.where(id: request_id).first
     return unless request
     return if request.broadcasted_at.present?
 
     if request.planned? # rescheduled for future after this job was created
-      BroadcastRequestJob.delay(run_at: request.schedule_send_for).perform_later(request_id: request.id)
+      BroadcastRequestJob.delay(run_at: request.schedule_send_for).perform_later(request.id)
       return
     end
 

app/models/request.rb

@@ -63,7 +63,7 @@ def messages_by_contributor
 
   def self.broadcast!(request)
     if request.planned?
-      BroadcastRequestJob.delay(run_at: request.schedule_send_for).perform_later(request_id: request.id)
+      BroadcastRequestJob.delay(run_at: request.schedule_send_for).perform_later(request.id)
       RequestScheduled.with(request_id: request.id).deliver_later(User.all)
     else
       Contributor.active.with_tags(request.tag_list).each do |contributor|