Merge pull request #21 from github/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 2 to 4

Author: jhongturney

.github/workflows/lint-and-test.yaml

@@ -4,7 +4,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -18,7 +18,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           node-version: 2.1