Bump typescript from 5.8.3 to 5.9.3 (#39)

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.8.3 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@v5.8.3...v5.9.3)

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

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

Author: dependabot[bot]

lambdas/example-lambda/package.json

@@ -9,7 +9,7 @@
     "@types/jest": "^29.5.14",
     "jest": "^29.7.0",
     "jest-mock-extended": "^3.0.7",
-    "typescript": "^5.8.2"
+    "typescript": "^5.9.3"
   },
   "name": "nhs-notify-repository-template-example-lambda",
   "private": true,