Bump govuk_publishing_components from 24.3.1 to 24.4.0

Bumps [govuk_publishing_components](https://github.com/alphagov/govuk_publishing_components) from 24.3.1 to 24.4.0.
- [Release notes](https://github.com/alphagov/govuk_publishing_components/releases)
- [Changelog](https://github.com/alphagov/govuk_publishing_components/blob/master/CHANGELOG.md)
- [Commits](alphagov/govuk_publishing_components@v24.3.1...v24.4.0)

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

Author: dependabot[bot]

Gemfile.lock

@@ -119,7 +119,7 @@ GEM
       sentry-raven (~> 3.1.1)
       statsd-ruby (~> 1.5.0)
       unicorn (>= 5.4, < 5.9)
-    govuk_publishing_components (24.3.1)
+    govuk_publishing_components (24.4.0)
       govuk_app_config
       kramdown
       plek