Bump govuk-forms-markdown from 0.5.0 to 0.6.0

Bumps [govuk-forms-markdown](https://github.com/alphagov/govuk-forms-markdown) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/alphagov/govuk-forms-markdown/releases)
- [Changelog](https://github.com/alphagov/govuk-forms-markdown/blob/main/CHANGELOG.md)
- [Commits](govuk-forms/govuk-forms-markdown@09d83e9...d6712a4)

---
updated-dependencies:
- dependency-name: govuk-forms-markdown
  dependency-version: d6712a441d0958524fcfa9dc78157e82f62469d6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile

@@ -50,7 +50,7 @@ gem "bootsnap", require: false
 # gem "rack-cors"
 
 # Our own custom markdown renderer
-gem "govuk-forms-markdown", github: "alphagov/govuk-forms-markdown", tag: "0.5.0"
+gem "govuk-forms-markdown", github: "alphagov/govuk-forms-markdown", tag: "0.6.0"
 
 # For structured logging
 gem "lograge"

Gemfile.lock

@@ -1,9 +1,9 @@
 GIT
   remote: https://github.com/alphagov/govuk-forms-markdown.git
-  revision: 09d83e917d333bb656925bf028ce100a0f86e947
-  tag: 0.5.0
+  revision: d6712a441d0958524fcfa9dc78157e82f62469d6
+  tag: 0.6.0
   specs:
-    govuk-forms-markdown (0.5.0)
+    govuk-forms-markdown (0.6.0)
       redcarpet (~> 3.6)
 
 GEM
@@ -268,7 +268,7 @@ GEM
     rdoc (6.14.1)
       erb
       psych (>= 4.0.0)
-    redcarpet (3.6.0)
+    redcarpet (3.6.1)
     regexp_parser (2.10.0)
     reline (0.6.1)
       io-console (~> 0.5)