Use a higher-level Sidekiq API for ActiveJob

This allows Sidekiq to use a custom client_class (rather than
Sidekiq::Client), which is necessary for the new transaction-aware
client in 6.5 (https://github.com/mperham/sidekiq/blob/main/Changes.md#650)

Author: jdelStrother

activejob/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Add support for Sidekiq's transaction-aware client
+
+    *Jonathan del Strother*
+
 *   Remove QueAdapter from Active Job.
 
     After maintaining Active Job QueAdapter by Rails and Que side

activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb

@@ -18,21 +18,17 @@ module QueueAdapters
     #   Rails.application.config.active_job.queue_adapter = :sidekiq
     class SidekiqAdapter
       def enqueue(job) # :nodoc:
-        # Sidekiq::Client does not support symbols as keys
-        job.provider_job_id = Sidekiq::Client.push \
-          "class"   => JobWrapper,
-          "wrapped" => job.class,
-          "queue"   => job.queue_name,
-          "args"    => [ job.serialize ]
+        job.provider_job_id = JobWrapper.set(
+          wrapped: job.class,
+          queue: job.queue_name
+        ).perform_async(job.serialize)
       end
 
       def enqueue_at(job, timestamp) # :nodoc:
-        job.provider_job_id = Sidekiq::Client.push \
-          "class"   => JobWrapper,
-          "wrapped" => job.class,
-          "queue"   => job.queue_name,
-          "args"    => [ job.serialize ],
-          "at"      => timestamp
+        job.provider_job_id = JobWrapper.set(
+          wrapped: job.class,
+          queue: job.queue_name,
+        ).perform_at(timestamp, job.serialize)
       end
 
       class JobWrapper # :nodoc: