Bump govuk_publishing_components from 21.68.1 to 21.69.0

Bumps [govuk_publishing_components](https://github.com/alphagov/govuk_publishing_components) from 21.68.1 to 21.69.0.
- [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@v21.68.1...v21.69.0)

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

Author: dependabot[bot]

Gemfile.lock

@@ -116,7 +116,7 @@ GEM
       sentry-raven (>= 2.7.1, < 3.1.0)
       statsd-ruby (~> 1.4.0)
       unicorn (>= 5.4, < 5.8)
-    govuk_publishing_components (21.68.1)
+    govuk_publishing_components (21.69.0)
       govuk_app_config
       kramdown
       plek
@@ -257,7 +257,7 @@ GEM
       netrc (~> 0.8)
     rexml (3.2.4)
     robotex (1.0.0)
-    rouge (3.23.0)
+    rouge (3.24.0)
     rubocop (0.87.1)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)