Update to wikimedia/less.php 5.0

Author: Krinkle

composer.json

@@ -2,7 +2,7 @@
     "name": "ed-itsolutions/wp_enqueue_less",
     "description": "Enqueue Less stylesheets in your WordPress code. ",
     "require": {
-        "wikimedia/less.php": "^3.1"
+        "wikimedia/less.php": "^5.0"
     },
     "license": "MIT",
     "authors": [