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

Bump actions/checkout from 1 to 3

Author: Foso

.github/workflows/gradle.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: Set up JDK 1.8
       uses: actions/setup-java@v3
       with: