Add urgency and duration fields to Sidekiq logs

What does this MR do and why?

Part of gitlab-com/gl-infra/scalability#1646 (closed), this MR adds urgency and target_duration_s to Sidekiq logs.

How to set up and validate locally

1. Run gdk
2. Enter EmailReceiverWorker.perform_async "foo" in rails console
3. Observe log/sidekiq.log, it should contain the new fields like: (scroll all the way to the right)

   {"severity":"INFO","time":"2023-04-12T10:44:38.328Z","retry":3,"queue":"default","backtrace":true,"version":0,"args":["[FILTERED]"],"class":"EmailReceiverWorker","jid":"a2f9adfcd7bf9c80c29bdd30","created_at":"2023-04-12T10:44:38.325Z","meta.feature_category":"team_planning","correlation_id":"9346ec6de13f7b8a521ab8e2ed582f11","worker_data_consistency":"always","idempotency_key":"resque:gitlab:duplicate:default:78ed7017e7e8f88d00049e2fb939deb575bf051ae396cf6460c1e25a32166c5c","size_limiter":"validated","enqueued_at":"2023-04-12T10:44:38.327Z","job_size_bytes":7,"pid":37082,"message":"EmailReceiverWorker JID-a2f9adfcd7bf9c80c29bdd30: start","job_status":"start","scheduling_latency_s":0.000772}
   {"severity":"INFO","time":"2023-04-12T10:44:38.400Z","retry":3,"queue":"default","backtrace":true,"version":0,"args":["[FILTERED]"],"class":"EmailReceiverWorker","jid":"a2f9adfcd7bf9c80c29bdd30","created_at":"2023-04-12T10:44:38.325Z","meta.feature_category":"team_planning","correlation_id":"9346ec6de13f7b8a521ab8e2ed582f11","worker_data_consistency":"always","idempotency_key":"resque:gitlab:duplicate:default:78ed7017e7e8f88d00049e2fb939deb575bf051ae396cf6460c1e25a32166c5c","size_limiter":"validated","enqueued_at":"2023-04-12T10:44:38.327Z","job_size_bytes":7,"pid":37082,"message":"EmailReceiverWorker JID-a2f9adfcd7bf9c80c29bdd30: done: 0.072558 sec","job_status":"done","scheduling_latency_s":0.000772,"redis_calls":2,"redis_duration_s":0.000305,"redis_read_bytes":2,"redis_write_bytes":186,"redis_queues_calls":2,"redis_queues_duration_s":0.000305,"redis_queues_read_bytes":2,"redis_queues_write_bytes":186,"db_count":0,"db_write_count":0,"db_cached_count":0,"db_replica_count":0,"db_primary_count":0,"db_main_count":0,"db_ci_count":0,"db_main_replica_count":0,"db_ci_replica_count":0,"db_replica_cached_count":0,"db_primary_cached_count":0,"db_main_cached_count":0,"db_ci_cached_count":0,"db_main_replica_cached_count":0,"db_ci_replica_cached_count":0,"db_replica_wal_count":0,"db_primary_wal_count":0,"db_main_wal_count":0,"db_ci_wal_count":0,"db_main_replica_wal_count":0,"db_ci_replica_wal_count":0,"db_replica_wal_cached_count":0,"db_primary_wal_cached_count":0,"db_main_wal_cached_count":0,"db_ci_wal_cached_count":0,"db_main_replica_wal_cached_count":0,"db_ci_replica_wal_cached_count":0,"db_replica_duration_s":0.0,"db_primary_duration_s":0.0,"db_main_duration_s":0.0,"db_ci_duration_s":0.0,"db_main_replica_duration_s":0.0,"db_ci_replica_duration_s":0.0,"cpu_s":0.065316,"worker_id":"sidekiq_0","rate_limiting_gates":[],"duration_s":0.072558,"completed_at":"2023-04-12T10:44:38.400Z","load_balancing_strategy":"primary","db_duration_s":0.0,"urgency":"high","target_duration_s":10}

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