Merge branch '3.4' into 4.4

* 3.4:
  Update frontend.rst

Author: javiereguiluz

frontend.rst

@@ -85,7 +85,7 @@ Issues & Questions
 Full API
 ........
 
-* `Full API`_: https://github.com/symfony/webpack-encore/blob/master/index.js
+* `Full API`_
 
 Other Front-End Articles
 ------------------------