Update dependency govuk-frontend to v5.11.1 (#2094)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

yarn.lock

@@ -9162,9 +9162,9 @@ __metadata:
   linkType: hard
 
 "govuk-frontend@npm:^5.11.0":
-  version: 5.11.0
-  resolution: "govuk-frontend@npm:5.11.0"
-  checksum: be7896e9834930807427e23d6966476460ef91673ed3516f2dcd4957f9270c88df1ca3db1752eb6e96d4bc9213b9b32ceb1f9eb2259507993c96a5b3a86b58b2
+  version: 5.11.1
+  resolution: "govuk-frontend@npm:5.11.1"
+  checksum: cd334f91bc8bbaa4cd963fd19fe62f0dabb6e7be63c8ff37ea2efb7bf34423a4932b49ff75b36b37200ade93b61fdcf093921a7da1d6df290d7c3965ca6f25ec
   languageName: node
   linkType: hard