chore(deps-dev): bump typescript from 5.9.2 to 5.9.3

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.2 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](microsoft/TypeScript@v5.9.2...v5.9.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -24,7 +24,7 @@
     "prettier": "3.6.2",
     "ts-jest": "29.4.3",
     "tsx": "4.20.5",
-    "typescript": "5.9.2"
+    "typescript": "5.9.3"
   },
   "prettier": "@guardian/prettier"
 }