ci(test.yml): set version v3 to actions/checkout

Author: gr2m

Diff for: .github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
           - "16"
           - "18"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node_version }}
         uses: actions/setup-node@v3
         with: