Bump govuk-frontend from 5.9.0 to 5.10.0

Bumps [govuk-frontend](https://github.com/alphagov/govuk-frontend) from 5.9.0 to 5.10.0.
- [Release notes](https://github.com/alphagov/govuk-frontend/releases)
- [Changelog](https://github.com/alphagov/govuk-frontend/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk-frontend@v5.9.0...v5.10.0)

---
updated-dependencies:
- dependency-name: govuk-frontend
  dependency-version: 5.10.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

bun.lock

@@ -5,7 +5,7 @@
   "author": "CCS",
   "license": "MIT",
   "devDependencies": {
-    "govuk-frontend": "^5.9.0",
+    "govuk-frontend": "^5.10.0",
     "ccs-frontend": "^1.4.0"
   }
 }