fix: improve city creation with country and state codes

- Update city creation to include country and state codes
- Ensure that the country and state are fetched correctly
- Use safe navigation to avoid nil errors

This change enhances the city creation process by ensuring that
country and state codes are properly associated with the city,
improving data integrity and consistency.

lib/tasks/sync_geo_data.rake

@@ -164,7 +164,11 @@ namespace :geo do
       country = Country.find_by!(code: data["country_code"])
       state = State.find_by(code: data["state_code"])
 
-      city = City.find_or_create_by!(name: data["name"]) do |c|
+      city = City.find_or_create_by!(
+        name: data["name"],
+        country_code: country&.code,
+        state_code: state&.code,
+      ) do |c|
         c.country_id = country.id,
         c.country_code = country.code,
         c.latitude = data["latitude"],