docs(angular.forEach): specifies that .forEach filters using .hasOwnProperty

Closes #5180
Closes #5776

src/Angular.js

@@ -192,6 +192,9 @@ function isArrayLike(obj) {
  * is the value of an object property or an array element and `key` is the object property key or
  * array element index. Specifying a `context` for the function is optional.
  *
+ * It is worth nothing that `.forEach` does not iterate over inherited properties because it filters
+ * using the `hasOwnProperty` method.
+ *
  * Note: this function was previously known as `angular.foreach`.
  *
    <pre>