Replaced fixer api with exchangeratesapi (#14347)

diff --git a/erpnext/setup/utils.py b/erpnext/setup/utils.py
index 5fcc3a2..4f62815 100644
--- a/erpnext/setup/utils.py
+++ b/erpnext/setup/utils.py
@@ -95,7 +95,7 @@
 
 		if not value:
 			import requests
-			api_url = "http://api.fixer.io/{0}".format(transaction_date)
+			api_url = "https://exchangeratesapi.io/api/{0}".format(transaction_date)
 			response = requests.get(api_url, params={
 				"base": from_currency,
 				"symbols": to_currency