Update typescript requirement in /test/utils-test-project (#233)

Updates the requirements on [typescript](https://github.com/Microsoft/TypeScript) to permit the latest version.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release.yml)
- [Commits](microsoft/TypeScript@v5.4-beta...v5.4.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
...

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test/utils-test-project/package.json

@@ -41,7 +41,7 @@
     "eslint": "^8.57.0",
     "mocha": "^10.4.0",
     "rimraf": "^5.0.5",
-    "typescript": "^5.3.4",
+    "typescript": "^5.4.3",
     "vscode-uitests-tooling": "file:../.."
   }
 }