Bump govuk_publishing_components from 21.3.0 to 21.4.0

Bumps [govuk_publishing_components](https://github.com/alphagov/govuk_publishing_components) from 21.3.0 to 21.4.0.
- [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@v21.3.0...v21.4.0)

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

Gemfile

@@ -8,7 +8,7 @@ gem "gds-api-adapters", "~> 60.0"
 gem "govuk_ab_testing", "~> 2.4"
 gem "govuk_app_config", "~> 2.0"
 gem "govuk_frontend_toolkit", "~> 8.2.0"
-gem "govuk_publishing_components", "~> 21.3.0"
+gem "govuk_publishing_components", "~> 21.4.0"
 gem "htmlentities", "~> 4.3"
 gem "plek", "~> 3.0"
 gem "rack_strip_client_ip", "~> 0.0.2"

Gemfile.lock

@@ -88,7 +88,7 @@ GEM
     execjs (2.7.0)
     faker (2.5.0)
       i18n (~> 1.6.0)
-    faraday (0.15.4)
+    faraday (0.16.2)
       multipart-post (>= 1.2, < 3)
     ffi (1.11.1)
     gds-api-adapters (60.1.0)
@@ -114,7 +114,7 @@ GEM
     govuk_frontend_toolkit (8.2.0)
       railties (>= 3.1.0)
       sass (>= 3.2.0)
-    govuk_publishing_components (21.3.0)
+    govuk_publishing_components (21.4.0)
       gds-api-adapters
       govuk_app_config
       kramdown
@@ -158,7 +158,7 @@ GEM
       activesupport (>= 4.0)
       logstash-event (~> 1.2.0)
       request_store
-    loofah (2.2.3)
+    loofah (2.3.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -174,7 +174,7 @@ GEM
     mini_magick (4.9.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.12.0)
+    minitest (5.12.2)
     minitest-reporters (1.3.8)
       ansi
       builder
@@ -254,7 +254,7 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     robotex (1.0.0)
-    rouge (3.11.0)
+    rouge (3.11.1)
     rubocop (0.74.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
@@ -295,7 +295,7 @@ GEM
     selenium-webdriver (3.142.4)
       childprocess (>= 0.5, < 3.0)
       rubyzip (~> 1.2, >= 1.2.2)
-    sentry-raven (2.11.2)
+    sentry-raven (2.11.3)
       faraday (>= 0.7.6, < 1.0)
     slimmer (13.1.0)
       activesupport
@@ -367,7 +367,7 @@ DEPENDENCIES
   govuk_ab_testing (~> 2.4)
   govuk_app_config (~> 2.0)
   govuk_frontend_toolkit (~> 8.2.0)
-  govuk_publishing_components (~> 21.3.0)
+  govuk_publishing_components (~> 21.4.0)
   govuk_schemas (~> 4.0)
   govuk_test
   htmlentities (~> 4.3)