fix: patch depends on Currency Exchange Settings (#34494)

diff --git a/erpnext/patches/v14_0/update_opportunity_currency_fields.py b/erpnext/patches/v14_0/update_opportunity_currency_fields.py
index b803e9f..af73691 100644
--- a/erpnext/patches/v14_0/update_opportunity_currency_fields.py
+++ b/erpnext/patches/v14_0/update_opportunity_currency_fields.py
@@ -7,6 +7,9 @@
 
 
 def execute():
+	frappe.reload_doc(
+		"accounts", "doctype", "currency_exchange_settings"
+	)  # get_exchange_rate depends on Currency Exchange Settings
 	frappe.reload_doctype("Opportunity")
 	opportunities = frappe.db.get_list(
 		"Opportunity",