Bump to v4.17.4.

_customOmitClone.js

@@ -9,8 +9,8 @@ import isPlainObject from './isPlainObject.js';
  * @param {string} key The key of the property to inspect.
  * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
  */
-function customOmitClone(value, key) {
-  return (key !== undefined && isPlainObject(value)) ? undefined : value;
+function customOmitClone(value) {
+  return isPlainObject(value) ? undefined : value;
 }
 
 export default customOmitClone;