Update URL to source function

js/src/common/utils/ItemList.ts

@@ -1,4 +1,4 @@
-import isObject from '../helpers/isObject';
+import isObject from './isObject';
 
 class Item<T> {
   content: T;

js/src/common/helpers/isObject.ts → js/src/common/utils/isObject.ts

@@ -19,7 +19,7 @@
  * @example
  * isObject("hello world"); // false
  *
- * @see https://github.com/jashkenas/underscore/blob/master/underscore.js#L87-L91
+ * @see https://github.com/jashkenas/underscore/blob/943977e34e2279503528a71ddcc2dd5f96483945/underscore.js#L87-L91
  */
 export default function isObject(obj: unknown): obj is object {
   const type = typeof obj;