Bump govuk_publishing_components to 21.9.0

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", "~> 21.8.1"
+gem "govuk_publishing_components", "~> 21.9.0"
 gem "htmlentities", "~> 4.3"
 gem "plek", "~> 3.0"
 gem "rack_strip_client_ip", "~> 0.0.2"

Gemfile.lock

@@ -61,7 +61,7 @@ GEM
       rack (>= 0.9.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
-    brakeman (4.7.0)
+    brakeman (4.7.1)
     builder (3.2.3)
     capybara (3.29.0)
       addressable
@@ -114,7 +114,7 @@ GEM
     govuk_frontend_toolkit (8.2.0)
       railties (>= 3.1.0)
       sass (>= 3.2.0)
-    govuk_publishing_components (21.8.1)
+    govuk_publishing_components (21.9.0)
       gds-api-adapters
       govuk_app_config
       kramdown
@@ -142,7 +142,7 @@ GEM
     image_size (2.0.2)
     io-like (0.3.0)
     jaro_winkler (1.5.4)
-    jasmine-core (3.4.0)
+    jasmine-core (3.5.0)
     jasmine-rails (0.15.0)
       jasmine-core (>= 1.3, < 4.0)
       phantomjs (>= 1.9)
@@ -187,7 +187,7 @@ GEM
     multipart-post (2.1.1)
     netrc (0.11.0)
     nio4r (2.5.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     null_logger (0.0.1)
     parallel (1.18.0)
@@ -368,7 +368,7 @@ DEPENDENCIES
   govuk_ab_testing (~> 2.4)
   govuk_app_config (~> 2.0)
   govuk_frontend_toolkit (~> 8.2.0)
-  govuk_publishing_components (~> 21.8.1)
+  govuk_publishing_components (~> 21.9.0)
   govuk_schemas (~> 4.0)
   govuk_test
   htmlentities (~> 4.3)