chore: fix CI build

Author: bjansen

.github/workflows/gradle.yml

@@ -21,7 +21,7 @@ jobs:
           - IDEA_VERSION: IC-2023.3.2
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with: