fix: undo change in execute_job()

Something is increasing the base memory usage from 41MB to 57MB, this is the only change?

Signed-off-by: Akhil Narang <me@akhilnarang.dev>

frappe/utils/background_jobs.py

@@ -238,7 +238,7 @@ def execute_job(
 		method_name = method
 		method = frappe.get_attr(method)
 	else:
-		method_name = frappe.utils.method_to_string(method)
+		method_name = f"{method.module}.{method.__qualname__}"
 
 	actual_func_name = kwargs.get("job_type") if "run_scheduled_job" in method_name else method_name
 	setproctitle.setproctitle(f"rq: Started running {actual_func_name} at {time.time()}")