Update docker compose command

Author: pfreitag

.github/workflows/dockerpublish.yml

@@ -28,8 +28,8 @@ jobs:
       - name: Run tests
         run: |
           if [ -f docker-compose.test.yml ]; then
-            docker-compose --file docker-compose.test.yml build
-            docker-compose --file docker-compose.test.yml run sut
+            docker compose --file docker-compose.test.yml build
+            docker compose --file docker-compose.test.yml run sut
           else
             docker build . --file Dockerfile
           fi