Bump @x-govuk/govuk-prototype-components from 5.0.2 to 6.0.0

Bumps [@x-govuk/govuk-prototype-components](https://github.com/x-govuk/govuk-prototype-components) from 5.0.2 to 6.0.0.
- [Release notes](https://github.com/x-govuk/govuk-prototype-components/releases)
- [Changelog](https://github.com/x-govuk/govuk-prototype-components/blob/main/docs/release-notes.md)
- [Commits](x-govuk/govuk-prototype-components@v5.0.2...v6.0.0)

---
updated-dependencies:
- dependency-name: "@x-govuk/govuk-prototype-components"
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "discover-start-pages": "npx node tasks/discover-start-pages.js"
   },
   "dependencies": {
-    "@x-govuk/govuk-prototype-components": "^5.0.2",
+    "@x-govuk/govuk-prototype-components": "^6.0.0",
     "@x-govuk/govuk-prototype-filters": "^2.1.0",
     "dotenv": "^17.3.1",
     "esbuild": "^0.27.3",