Bump govuk_publishing_components from 5.4.0 to 5.5.4

Bumps [govuk_publishing_components](https://github.com/alphagov/govuk_publishing_components) from 5.4.0 to 5.5.4.
- [Changelog](https://github.com/alphagov/govuk_publishing_components/blob/master/CHANGELOG.md)
- [Commits](alphagov/govuk_publishing_components@v5.4.0...v5.5.4)

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

Gemfile

@@ -18,7 +18,7 @@ gem 'govuk_ab_testing', '~> 2.4'
 gem 'govuk_app_config', '~> 1.3'
 gem 'govuk_frontend_toolkit', '~> 7.4'
 gem 'govuk_navigation_helpers', '~> 9.0'
-gem 'govuk_publishing_components', '~> 5.4.0'
+gem 'govuk_publishing_components', '~> 5.5.4'
 gem 'plek', '~> 2.1'
 gem 'slimmer', '~> 12.0'
 

Gemfile.lock

@@ -127,7 +127,7 @@ GEM
       activesupport (~> 5.1)
       gds-api-adapters (>= 43.0)
       govuk_ab_testing (~> 2.4)
-    govuk_publishing_components (5.4.0)
+    govuk_publishing_components (5.5.4)
       govspeak (>= 5.0.3)
       govuk_frontend_toolkit
       rails (>= 5.0.0.1)
@@ -361,7 +361,7 @@ DEPENDENCIES
   govuk_app_config (~> 1.3)
   govuk_frontend_toolkit (~> 7.4)
   govuk_navigation_helpers (~> 9.0)
-  govuk_publishing_components (~> 5.4.0)
+  govuk_publishing_components (~> 5.5.4)
   govuk_schemas (~> 3.1)
   htmlentities (~> 4.3)
   jasmine-rails