chore(deps): bump ministryofjustice/github-actions from 18.5.0 to 18.6.0

Bumps [ministryofjustice/github-actions](https://github.com/ministryofjustice/github-actions) from 18.5.0 to 18.6.0.
- [Release notes](https://github.com/ministryofjustice/github-actions/releases)
- [Commits](ministryofjustice/github-actions@ccf9e3a...db1a548)

---
updated-dependencies:
- dependency-name: ministryofjustice/github-actions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/format-code.yml

@@ -9,6 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: ministryofjustice/github-actions/code-formatter@ccf9e3a4a828df1ec741f6c8e6ed9d0acaef3490  # v18.5.0
+      - uses: ministryofjustice/github-actions/code-formatter@db1a54895bf5fb975c60af47e5a3aab96505ca3e  # v18.6.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}