Upgrade: [dependabot] - bump nhsuk-frontend from 9.6.4 to 10.4.1

Bumps [nhsuk-frontend](https://github.com/nhsuk/nhsuk-frontend) from 9.6.4 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@v9.6.4...v10.4.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
     "axios": "^1.13.6",
     "date-fns": "^4.1.0",
     "identity-obj-proxy": "^3.0.0",
-    "nhsuk-frontend": "9.6.4",
+    "nhsuk-frontend": "10.4.1",
     "nhsuk-react-components": "^5.0.0",
     "nhsuk-react-components-extensions": "^2.3.0-beta",
     "pino": "^10.3.1",