fix(deps): update react monorepo to ~18.3.0

Author: renovate[bot]

www/package.json

@@ -18,8 +18,8 @@
   "dependencies": {
     "@uiw/react-markdown-preview-example": "^1.5.3",
     "@uiw/react-tabs-draggable": "1.0.1",
-    "react": "~18.2.0",
-    "react-dom": "~18.2.0",
+    "react": "~18.3.0",
+    "react-dom": "~18.3.0",
     "react-router-dom": "^6.14.2"
   },
   "eslintConfig": {