build(deps): bump nhsuk-frontend from 10.3.1 to 10.4.1

Bumps [nhsuk-frontend](https://github.com/nhsuk/nhsuk-frontend) from 10.3.1 to 10.4.1.
- [Release notes](https://github.com/nhsuk/nhsuk-frontend/releases)
- [Changelog](https://github.com/nhsuk/nhsuk-frontend/blob/main/CHANGELOG.md)
- [Commits](nhsuk/nhsuk-frontend@v10.3.1...v10.4.1)

---
updated-dependencies:
- dependency-name: nhsuk-frontend
  dependency-version: 10.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -13,7 +13,7 @@
     "watch": "concurrently npm:*:watch --prefix none"
   },
   "dependencies": {
-    "nhsuk-frontend": "^10.3.1"
+    "nhsuk-frontend": "^10.4.1"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^29.0.2",