Bump govuk_design_system_formbuilder from 5.4.0 to 5.6.0

Bumps [govuk_design_system_formbuilder](https://github.com/x-govuk/govuk-form-builder) from 5.4.0 to 5.6.0.
- [Release notes](https://github.com/x-govuk/govuk-form-builder/releases)
- [Commits](x-govuk/govuk-form-builder@v5.4.0...v5.6.0)

---
updated-dependencies:
- dependency-name: govuk_design_system_formbuilder
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile

@@ -64,7 +64,7 @@ gem "httpclient"
 gem "daemons"
 
 # Gov form builder to structure claims
-gem "govuk_design_system_formbuilder", "~> 5.4.0"
+gem "govuk_design_system_formbuilder", "~> 5.6.0"
 
 gem "govuk-components"
 

Gemfile.lock

@@ -218,7 +218,7 @@ GEM
       html-attributes-utils (~> 1.0.0, >= 1.0.0)
       pagy (>= 6, < 9)
       view_component (>= 3.9, < 3.13)
-    govuk_design_system_formbuilder (5.4.0)
+    govuk_design_system_formbuilder (5.6.0)
       actionview (>= 6.1)
       activemodel (>= 6.1)
       activesupport (>= 6.1)
@@ -274,7 +274,7 @@ GEM
     method_source (1.1.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
-    minitest (5.24.1)
+    minitest (5.25.1)
     msgpack (1.7.2)
     multi_json (1.15.0)
     multi_xml (0.6.0)
@@ -291,14 +291,14 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.0)
-    nokogiri (1.16.6)
+    nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.6-arm64-darwin)
+    nokogiri (1.16.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-darwin)
+    nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     notifications-ruby-client (6.1.0)
       jwt (>= 1.5, < 3)
@@ -579,7 +579,7 @@ DEPENDENCIES
   faraday_middleware
   foreman
   govuk-components
-  govuk_design_system_formbuilder (~> 5.4.0)
+  govuk_design_system_formbuilder (~> 5.6.0)
   httpclient
   jbuilder (~> 2.12)
   jwt