Bump govuk_markdown from 2.0.1 to 2.0.2

Bumps [govuk_markdown](https://github.com/DFE-Digital/govuk_markdown) from 2.0.1 to 2.0.2.
- [Release notes](https://github.com/DFE-Digital/govuk_markdown/releases)
- [Changelog](https://github.com/DFE-Digital/govuk-markdown/blob/main/CHANGELOG.md)
- [Commits](DFE-Digital/govuk-markdown@v2.0.1...v2.0.2)

---
updated-dependencies:
- dependency-name: govuk_markdown
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -214,7 +214,7 @@ GEM
       activemodel (>= 6.1)
       activesupport (>= 6.1)
       html-attributes-utils (~> 1)
-    govuk_markdown (2.0.1)
+    govuk_markdown (2.0.2)
       activesupport
       redcarpet
     haml (6.1.1)