Bump govuk_publishing_components from 21.63.0 to 21.63.2

Bumps [govuk_publishing_components](https://github.com/alphagov/govuk_publishing_components) from 21.63.0 to 21.63.2.
- [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@v21.63.0...v21.63.2)

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

Author: dependabot[bot]

Gemfile.lock

@@ -115,7 +115,7 @@ GEM
       sentry-raven (>= 2.7.1, < 3.1.0)
       statsd-ruby (~> 1.4.0)
       unicorn (>= 5.4, < 5.6)
-    govuk_publishing_components (21.63.0)
+    govuk_publishing_components (21.63.2)
       govuk_app_config
       kramdown
       plek
@@ -161,7 +161,7 @@ GEM
       activesupport (>= 4.0)
       logstash-event (~> 1.2.0)
       request_store
-    loofah (2.6.0)
+    loofah (2.7.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -306,7 +306,7 @@ GEM
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
-    sentry-raven (3.0.2)
+    sentry-raven (3.0.3)
       faraday (>= 1.0)
     slimmer (15.1.0)
       activesupport