Merge pull request #32 from ruby/dependabot/github_actions/actions/checkout-3

Author: hsbt

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
         exclude:
           - { os: windows , ruby: head }
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}