fix: rename non existent doctype field to the right one (#29055)

diff --git a/erpnext/non_profit/doctype/membership/membership.py b/erpnext/non_profit/doctype/membership/membership.py
index beb38e2..f9b295a 100644
--- a/erpnext/non_profit/doctype/membership/membership.py
+++ b/erpnext/non_profit/doctype/membership/membership.py
@@ -409,7 +409,7 @@
 def set_expired_status():
 	frappe.db.sql("""
 		UPDATE
-			`tabMembership` SET `status` = 'Expired'
+			`tabMembership` SET `membership_status` = 'Expired'
 		WHERE
-			`status` not in ('Cancelled') AND `to_date` < %s
+			`membership_status` not in ('Cancelled') AND `to_date` < %s
 		""", (nowdate()))