Add indexes in some transaction doctypes (#9889)

diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index fd985d0..f8267df 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -416,4 +416,5 @@
 erpnext.patches.v8_1.remove_sales_invoice_from_returned_serial_no
 erpnext.patches.v8_1.allow_invoice_copy_to_edit_after_submit
 erpnext.patches.v8_1.add_hsn_sac_codes
-erpnext.patches.v8_1.update_gst_state
\ No newline at end of file
+erpnext.patches.v8_1.update_gst_state
+erpnext.patches.v8_1.add_indexes_in_transaction_doctypes
\ No newline at end of file