chore(deps): update actions/checkout action to v4 (#26)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/prettier-if-needed.yml

@@ -17,7 +17,7 @@ jobs:
     name: Can the code be formatted? 🤔
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: lts/*