fix: update version to v18 rc

Author: sheikalthaf

libs/ngu/carousel/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ngu/carousel",
-  "version": "18.0.0",
+  "version": "18.0.0-rc.1",
   "peerDependencies": {
     "@angular/common": "^18.0.0",
     "@angular/core": "^18.0.0",