build(deps-dev): bump typescript from 4.6.4 to 4.9.5 in /src (#5738)

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.6.4 to 4.9.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v4.6.4...v4.9.5)

---
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

@@ -90,7 +90,7 @@
     "sinon": "^13.0.2",
     "split-grid": "^1.0.11",
     "supertest": "^6.3.3",
-    "typescript": "^4.6.4"
+    "typescript": "^4.9.5"
   },
   "engines": {
     "node": ">=14.15.0",