Bump govuk-frontend from 4.7.0 to 4.8.0

Bumps [govuk-frontend](https://github.com/alphagov/govuk-frontend) from 4.7.0 to 4.8.0.
- [Release notes](https://github.com/alphagov/govuk-frontend/releases)
- [Changelog](https://github.com/alphagov/govuk-frontend/blob/v4.8.0/CHANGELOG.md)
- [Commits](alphagov/govuk-frontend@v4.7.0...v4.8.0)

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

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

package.json

@@ -6,7 +6,7 @@
     "lint": "standard"
   },
   "dependencies": {
-    "govuk-frontend": "^4.7.0",
+    "govuk-frontend": "^4.8.0",
     "jquery": "^3",
     "lodash": "^4.17.21",
     "mark.js": "^8.11.1",

yarn.lock

@@ -717,7 +717,7 @@ gopd@^1.0.1:
   dependencies:
     get-intrinsic "^1.1.3"
 
-govuk-frontend@^4.7.0:
+govuk-frontend@^4.8.0:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/govuk-frontend/-/govuk-frontend-4.8.0.tgz#df4e56c762e93aae74fed214bb6be08e13783772"
   integrity sha512-NOmPJxL8IYq1HSNHYKx9XY2LLTxuwb+IFASiGQO4sgJ8K7AG66SlSeqARrcetevV8zOf+i1z+MbJJ2O7//OxAw==