Bump govuk_schemas from 6.3.0 to 6.3.1

Bumps [govuk_schemas](https://github.com/alphagov/govuk_schemas_gem) from 6.3.0 to 6.3.1.
- [Changelog](https://github.com/alphagov/govuk_schemas/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_schemas@v6.3.0...v6.3.1)

---
updated-dependencies:
- dependency-name: govuk_schemas
  dependency-version: 6.3.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -81,7 +81,7 @@ GEM
     autoprefixer-rails (10.4.16.0)
       execjs (~> 2)
     base64 (0.3.0)
-    bigdecimal (4.1.1)
+    bigdecimal (4.1.2)
     bootsnap (1.23.0)
       msgpack (~> 1.2)
     bootstrap-sass (3.4.1)
@@ -202,7 +202,7 @@ GEM
       rouge
       sprockets (>= 3)
       sprockets-rails
-    govuk_schemas (6.3.0)
+    govuk_schemas (6.3.1)
       json-schema (>= 2.8, < 6.3)
     govuk_sidekiq (11.1.2)
       gds-api-adapters (>= 19.1.0)