Merge pull request #3871 from diogoazevedos/use-const

[5.3] Use const instead of var in require

gulpfile.js

@@ -1,4 +1,4 @@
-var elixir = require('laravel-elixir');
+const elixir = require('laravel-elixir');
 
 require('laravel-elixir-vue');