fix: explicitly specify supervisorctl config file in test workflow

Author: zx900930

.github/workflows/test-docker.yml

@@ -22,12 +22,12 @@ jobs:
         sleep 20 # Wait for services to start
         
         echo "--- Service Status ---"
-        docker exec univpn-test supervisorctl status
+        docker exec univpn-test supervisorctl -c /etc/supervisor/supervisord.conf status
         
         echo "--- Resource Consumption ---"
         docker stats --no-stream univpn-test
         
         echo "--- Service Startup Times ---"
-        docker exec univpn-test supervisorctl status | awk '{print $1, $4}'
+        docker exec univpn-test supervisorctl -c /etc/supervisor/supervisord.conf status | awk '{print $1, $4}'
         
         docker stop univpn-test