build(deps): bump govuk-frontend from 5.9.0 to 5.11.0 (#556)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
     "@types/geojson": "^7946.0.14",
     "accessible-autocomplete": "^2.0.4",
     "file-saver": "^2.0.5",
-    "govuk-frontend": "^5.9.0",
+    "govuk-frontend": "^5.11.0",
     "jspdf": "^3.0.1",
     "lit": "^3.0.1",
     "ol": "^10.4.0",