Use start rather than up command for init tests

Author: H0R5E

.github/workflows/up.yaml

@@ -50,7 +50,7 @@ jobs:
           fi
       - name: Test database initialization
         run: |
-          docker compose -f docker-compose.yml up -d
+          docker compose -f docker-compose.yml start
           docker compose ps
           pytest tests
           docker compose -f docker-compose.yml stop