fix(deps): update react monorepo to ~18.3.0

Author: renovate[bot]

website/package.json

@@ -12,8 +12,8 @@
     "@uiw/react-shields": "^2.0.1",
     "katex": "^0.16.9",
     "mermaid": "^10.6.1",
-    "react": "~18.2.0",
-    "react-dom": "~18.2.0",
+    "react": "~18.3.0",
+    "react-dom": "~18.3.0",
     "react-router-dom": "^6.8.1",
     "rehype-sanitize": "^6.0.0"
   },