Merge pull request #21 from MegavexNetwork/renovate/actions-checkout-4.x

Update actions/checkout action to v4

Author: vytskalt

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: gradle/wrapper-validation-action@v2
       - name: Set up JDK 8
         uses: actions/setup-java@v4