Referencing new candidate package for testing

Packages/manifest.json

 {
+  "registry": "https://artifactory.prd.cds.internal.unity3d.com/artifactory/api/npm/upm-candidates",
   "dependencies": {
     "com.unity.addressables": "1.12.0",
     "com.unity.cinemachine": "2.5.0",
     "com.unity.textmeshpro": "3.0.0-preview.1",
     "com.unity.timeline": "1.2.6",
     "com.unity.ugui": "1.0.0",
-    "com.unity.ui": "1.0.0-preview.3",
+    "com.unity.ui": "1.0.0-preview.5",
     "com.unity.ui.builder": "1.0.0-preview.3",
     "com.unity.vectorgraphics": "2.0.0-preview.12",
     "com.unity.modules.ai": "1.0.0",