build(deps-dev): bump typescript from 5.3.3 to 5.4.2 in /src (#6209)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 5.3.3 to 5.4.2.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release.yml)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v5.3.3...v5.4.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/package.json

@@ -101,7 +101,7 @@
     "sinon": "^17.0.1",
     "split-grid": "^1.0.11",
     "supertest": "^6.3.4",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.2"
   },
   "engines": {
     "node": ">=18.18.2",