Update libraries to 3.1.6

src/UIkit.php

@@ -19,7 +19,7 @@ class UIkit {
    *
    * @var string
    */
-  const UIKIT_LIBRARY_VERSION = '3.1.5';
+  const UIKIT_LIBRARY_VERSION = '3.1.6';
 
   /**
    * The Drupal project page for the UIkit base theme.

uikit.libraries.yml

 uikit:
   remote: https://getuikit.com/
-  version: 3.1.5
+  version: 3.1.6
   license:
     name: MIT
     url: https://github.com/uikit/uikit/blob/develop/LICENSE.md
     gpl-compatible: true
   css:
     base:
-      //cdnjs.cloudflare.com/ajax/libs/uikit/3.1.5/css/uikit.min.css: { type: external, minified: true }
+      //cdnjs.cloudflare.com/ajax/libs/uikit/3.1.6/css/uikit.min.css: { type: external, minified: true }
   js:
-    //cdnjs.cloudflare.com/ajax/libs/uikit/3.1.5/js/uikit.min.js: { type: external, minified: true }
-    //cdnjs.cloudflare.com/ajax/libs/uikit/3.1.5/js/uikit-icons.min.js: { type: external, minified: true }
+    //cdnjs.cloudflare.com/ajax/libs/uikit/3.1.6/js/uikit.min.js: { type: external, minified: true }
+    //cdnjs.cloudflare.com/ajax/libs/uikit/3.1.6/js/uikit-icons.min.js: { type: external, minified: true }
   dependencies:
     - core/jquery
     - core/jquery.once