fix: Added patch to patches.txt
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index b0fc7ea..ef69591 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -659,3 +659,4 @@
 erpnext.patches.v12_0.set_job_offer_applicant_email
 erpnext.patches.v12_0.create_irs_1099_field_united_states
 erpnext.patches.v12_0.rename_bank_reconciliation_fields # 2020-01-22
+erpnext.patches.v12_0.set_updated_purpose_in_pick_list
\ No newline at end of file