fix: Allow everyone to read geo data (#19451) (#19457)

This is static data present in code, no need to apply permissions.

closes #19394

(cherry picked from commit 5ece1d7)

Co-authored-by: Ankush Menat <ankush@frappe.io>

frappe/geo/country_info.py

@@ -5,6 +5,7 @@
 
 # all country info
 import os
+from functools import lru_cache
 
 import frappe
 from frappe.utils.momentjs import get_all_timezones
@@ -27,8 +28,13 @@ def get_all():
 	return all_data
 
 
-@frappe.whitelist()
+@frappe.whitelist(allow_guest=True)
 def get_country_timezone_info():
+	return _get_country_timezone_info()
+
+
+@lru_cache(maxsize=2)
+def _get_country_timezone_info():
 	return {"country_info": get_all(), "all_timezones": get_all_timezones()}