Bump creyD/prettier_action from 3.1 to 4.2 (#610)

Bumps [creyD/prettier_action](https://github.com/creyD/prettier_action) from 3.1 to 4.2.
- [Release notes](https://github.com/creyD/prettier_action/releases)
- [Commits](creyD/prettier_action@v3.1...v4.2)

---
updated-dependencies:
- dependency-name: creyD/prettier_action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/prettier-md.yml

@@ -21,6 +21,6 @@ jobs:
           ref: ${{ github.head_ref }}
 
       - name: Prettify code
-        uses: creyD/prettier_action@v3.1
+        uses: creyD/prettier_action@v4.2
         with:
           prettier_options: --write {**/*,*}.md