fix(deps): update dependency uiw to v4.21.15

Author: renovate[bot]

website/package.json

@@ -23,7 +23,7 @@
     "react-native": "0.69.1",
     "react-native-web": "0.17.5",
     "react-router-dom": "6.2.1",
-    "uiw": "4.7.16"
+    "uiw": "4.21.15"
   },
   "devDependencies": {
     "@kkt/less-modules": "7.0.5",