Bump govuk-frontend from 5.5.0 to 5.7.1

Bumps [govuk-frontend](https://github.com/alphagov/govuk-frontend) from 5.5.0 to 5.7.1.
- [Release notes](https://github.com/alphagov/govuk-frontend/releases)
- [Changelog](https://github.com/alphagov/govuk-frontend/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk-frontend@v5.5.0...v5.7.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -3,7 +3,7 @@
   "private": "true",
   "dependencies": {
     "esbuild": "^0.24.0",
-    "govuk-frontend": "5.5.0",
+    "govuk-frontend": "5.7.1",
     "sass": "^1.77.8",
     "puppeteer": "22.6.1"
   },

yarn.lock

@@ -562,10 +562,10 @@ glob-parent@~5.1.2:
   dependencies:
     is-glob "^4.0.1"
 
-govuk-frontend@5.5.0:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/govuk-frontend/-/govuk-frontend-5.5.0.tgz#dfb2426788dbf570ef7d2742983bc54e68f17f34"
-  integrity sha512-lNSHCOzgk6LfgelcdtJxTLK1BX/cpjCUyEB3LnzliD9o9YQckNMsbj5+jSOs2RFy6XBJ/DJqxj2TKfjBCuzpyA==
+govuk-frontend@5.7.1:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/govuk-frontend/-/govuk-frontend-5.7.1.tgz#d4c561ebf8c0b76130f31df8c2e4d70d340cd63f"
+  integrity sha512-jF1cq5rn57kxZmJRprUZhTQ31zaBBK4b5AyeJaPX3Yhg22lk90Mx/dQLvOk/ycV3wM7e0y+s4IPvb2fFaPlCGg==
 
 graceful-fs@^4.1.6, graceful-fs@^4.2.0:
   version "4.2.11"