update theme slick version (#5897)

Slick theme updated with all changes necessary to be compatible with master branch changes.

package.json

@@ -66,7 +66,7 @@
     "nodebb-rewards-essentials": "0.0.9",
     "nodebb-theme-lavender": "4.0.5",
     "nodebb-theme-persona": "5.0.32",
-    "nodebb-theme-slick": "1.1.0",
+    "nodebb-theme-slick": "1.1.1",
     "nodebb-theme-vanilla": "6.0.26",
     "nodebb-widget-essentials": "3.0.4",
     "nodemailer": "2.6.4",