fix: add ngx-scrollbar too peerDependencies

Author: m-risto

libs/ui/ui-scrollarea-helm/package.json

@@ -4,7 +4,8 @@
   "peerDependencies": {
     "@angular/core": "^18.0.0",
     "@spartan-ng/ui-core": "^0.0.1-alpha.352",
-    "clsx": "^1.2.1"
+    "clsx": "^1.2.1",
+    "ngx-scrollbar": "^13.0.1"
   },
   "sideEffects": false
 }