Update test-v7.yml

Use `docker compose`, not `docker-compose` to fix the GitHub workflows.

Author: olivere

.github/workflows/test-v7.yml

@@ -38,7 +38,7 @@ jobs:
           ${{ runner.os }}-go-
 
     - name: Run Docker containers
-      run: docker-compose up -d
+      run: docker compose up -d
 
     - name: Check Docker containers
       run: docker ps -a