fix Type hint "array" missing for $values

clean_node_api/src/Controller/Helper/Fields.php

@@ -61,7 +61,7 @@ class Fields {
    * @return mixed
    *   Return in mixed .
    */
-  public function getArrayPush(array $data, string $key, $values) {
+  public function getArrayPush(array $data, string $key, array $values) {
     array_push($data, [str_replace(self::FIELD, self::EMPTY, $key) => $values]);
     // Return Data in array.
     return $data;