Change sidekiq-bulk's batch size from 10,000 to 1,000 jobs in one Redis call (#24034)

lib/cli.rb

@@ -131,7 +131,7 @@ module Mastodon
         json = Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(account))
 
         unless options[:dry_run]
-          ActivityPub::DeliveryWorker.push_bulk(inboxes) do |inbox_url|
+          ActivityPub::DeliveryWorker.push_bulk(inboxes, limit: 1_000) do |inbox_url|
             [json, account.id, inbox_url]
           end