Bump govuk-frontend from 5.6.0 to 5.7.0 in the design-system group

Bumps the design-system group with 1 update: [govuk-frontend](https://github.com/alphagov/govuk-frontend).


Updates `govuk-frontend` from 5.6.0 to 5.7.0
- [Release notes](https://github.com/alphagov/govuk-frontend/releases)
- [Changelog](https://github.com/alphagov/govuk-frontend/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk-frontend@v5.6.0...v5.7.0)

---
updated-dependencies:
- dependency-name: govuk-frontend
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: design-system
...

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

package.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "accessible-autocomplete": "^3.0.1",
     "clipboard": "^2.0.11",
-    "govuk-frontend": "^5.6.0",
+    "govuk-frontend": "^5.7.0",
     "iframe-resizer": "^4.4.5",
     "lunr": "^2.3.9"
   },