build(deps-dev): bump typescript from 4.7.4 to 5.8.3 in /functions

Bumps [typescript](https://github.com/microsoft/TypeScript) from 4.7.4 to 5.8.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](microsoft/TypeScript@v4.7.4...v5.8.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.8.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

functions/package-lock.json

@@ -30,6 +30,6 @@
     "@tsconfig/node16": "^1.0.2",
     "concurrently": "^7.1.0",
     "cpx2": "^4.2.0",
-    "typescript": "^4.6.4"
+    "typescript": "^5.8.3"
   }
 }