Update Github Actions checkout to v4

Author: wodrobina

.github/workflows/publish.yml

@@ -10,7 +10,7 @@ jobs:
     name: Publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up JDK