Bump nhsuk-frontend from 10.4.1 to 10.4.2

Bumps [nhsuk-frontend](https://github.com/nhsuk/nhsuk-frontend) from 10.4.1 to 10.4.2.
- [Release notes](https://github.com/nhsuk/nhsuk-frontend/releases)
- [Changelog](https://github.com/nhsuk/nhsuk-frontend/blob/main/CHANGELOG.md)
- [Commits](nhsuk/nhsuk-frontend@v10.4.1...v10.4.2)

---
updated-dependencies:
- dependency-name: nhsuk-frontend
  dependency-version: 10.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -9,7 +9,7 @@
   "author": "https://github.com/nhsuk/",
   "license": "MIT",
   "dependencies": {
-    "nhsuk-frontend": "^10.4.1",
+    "nhsuk-frontend": "^10.4.2",
     "nhsuk-prototype-kit": "^8.1.0"
   },
   "devDependencies": {