build(deps): bump govuk-frontend from 3.15.0 to 5.7.1

Bumps [govuk-frontend](https://github.com/alphagov/govuk-frontend) from 3.15.0 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@v3.15.0...v5.7.1)

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

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

package.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "@rails/ujs": "^6.1.710",
     "@rails/webpacker": "^5.4.4",
-    "govuk-frontend": "^3.15.0",
+    "govuk-frontend": "^5.7.1",
     "stimulus": "^1.1.1",
     "yarn": "^1.22.22"
   },

yarn.lock

@@ -3510,10 +3510,10 @@ gopd@^1.0.1:
   dependencies:
     get-intrinsic "^1.1.3"
 
-govuk-frontend@^3.15.0:
-  version "3.15.0"
-  resolved "https://registry.yarnpkg.com/govuk-frontend/-/govuk-frontend-3.15.0.tgz#47c9cc41c8100ee28bc3aaf9a29a0c62d88070c9"
-  integrity sha512-kInDei8hrkMcrW7yC2EwhbSNBOBBPTdLxIDAye2G7KNrD9cyvNAfd0KchrfP/nWBOzu67ANoz2rtoRDLWiBN2w==
+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@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.2.6:
   version "4.2.11"