Bump prettier from 3.4.1 to 3.4.2 (#156)

Bumps [prettier](https://github.com/prettier/prettier) from 3.4.1 to 3.4.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.4.1...3.4.2)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@x-govuk/eslint-config": "^0.0.1",
-    "prettier": "^3.3.2"
+    "prettier": "^3.4.2"
   },
   "engines": {
     "node": "^20.0.0"