Bump govuk_schemas from 5.0.1 to 5.0.2

Bumps [govuk_schemas](https://github.com/alphagov/govuk_schemas_gem) from 5.0.1 to 5.0.2.
- [Changelog](https://github.com/alphagov/govuk_schemas/blob/main/CHANGELOG.md)
- [Commits](alphagov/govuk_schemas@v5.0.1...v5.0.2)

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

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

Gemfile.lock

@@ -178,7 +178,7 @@ GEM
       rouge
       sprockets (>= 3)
       sprockets-rails
-    govuk_schemas (5.0.1)
+    govuk_schemas (5.0.2)
       json-schema (>= 2.8, < 4.4)
     govuk_test (4.0.2)
       brakeman (>= 5.0.2)