Merge pull request #3 from modcluster/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 2 to 4

Author: rhusar

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         java: [ 17 ]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v4
         with: