chore(deps): update actions/checkout action to v4 (#36)

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

Author: renovate[bot]

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
         node-version: [ 14, 16, 18 ]
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
         with: