Bump typescript from 4.9.5 to 5.3.3 in /_examples/chat (#2917)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.9.5 to 5.3.3.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.9.5...v5.3.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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_examples/chat/package.json

@@ -14,7 +14,7 @@
     "react-scripts": "^2.1.1",
     "styled-components": "^6.1.8",
     "subscriptions-transport-ws": "^0.9.5",
-    "typescript": "^4.9.4"
+    "typescript": "^5.3.3"
   },
   "scripts": {
     "start": "react-scripts start",