chore: refactor for rq 2.x (frappe#30935)

There's no `Connection` anymore - we need to explicitly pass it in everywhere

Signed-off-by: Akhil Narang <[email protected]>

frappe/utils/doctor.py

@@ -1,15 +1,14 @@
 from collections import defaultdict
 
-from rq import Connection, Worker
+from rq import Worker
 
 import frappe.utils
 from frappe.utils.background_jobs import get_queue, get_queue_list, get_redis_conn
 from frappe.utils.scheduler import is_scheduler_disabled, is_scheduler_inactive
 
 
 def get_workers():
-	with Connection(get_redis_conn()):
-		return Worker.all()
+	return Worker.all(connection=get_redis_conn())
 
 
 def purge_pending_jobs(event=None, site=None, queue=None):