Bump typescript from 4.2.4 to 4.9.5 in /LearningHub.Nhs.WebUI

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 4.2.4 to 4.9.5.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v4.2.4...v4.9.5)

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

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

Author: dependabot[bot]

LearningHub.Nhs.WebUI/package-lock.json

@@ -84,7 +84,7 @@
     "ts-jest": "^27.1.5",
     "ts-loader": "^9.1.1",
     "ts-node": "^10.9.2",
-    "typescript": "^4.2.4",
+    "typescript": "^4.9.5",
     "vue-jest": "^3.0.7",
     "vue-loader": "^15.11.1",
     "vue-template-compiler": "2.7.16",