chore: update github action (#169)

Author: rarruda

.github/workflows/pull_request.yml

@@ -42,7 +42,7 @@ jobs:
     needs:
       - lint
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Ruby ${{ matrix.ruby-version }}
         uses: ruby/setup-ruby@v1
         with: