fix(security): add csrf filter + prevent xss attacks by escaping user input

- update CI4 to v4.1.9's stable production package
- update php and js dependencies to latest

app/Models/PersonModel.php

@@ -389,10 +389,12 @@ class PersonModel extends Model
                     ];
                 }
             }
+
             return $this->db->table('episodes_persons')
                 ->ignore(true)
                 ->insertBatch($data);
         }
+
         return 0;
     }