Bump @types/lodash from 4.17.14 to 4.17.15 in /LearningHub.Nhs.WebUI

Bumps [@types/lodash](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/lodash) from 4.17.14 to 4.17.15.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/lodash)

---
updated-dependencies:
- dependency-name: "@types/lodash"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]