Fix code typo

Author: frodrigo

datasources/sources/tourinsoft_v3.rb

@@ -29,7 +29,7 @@ def jp(object, path)
   end
 
   def jp_first(object, path)
-    j(object, path)&.first
+    jp(object, path)&.first
   end
 
   def self.fetch(client, syndication)