Fix deploy crash: use valid log status 'info' instead of 'warning'

The deployment_logs table has a CHECK constraint allowing only
'success', 'error', 'info'. Using 'warning' caused an IntegrityError
that crashed the entire deployment.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/services/netbird_service.py

@@ -319,7 +319,7 @@ async def deploy_customer(db: Session, customer_id: int) -> dict[str, Any]:
             ssl_ok = npm_result.get("ssl", False) if not npm_result.get("error") else False
             if not ssl_ok:
                 _log_action(
-                    db, customer_id, "deploy", "warning",
+                    db, customer_id, "deploy", "info",
                     "SSL certificate not created automatically. "
                     "Please create it manually in NPM or ensure DNS resolves and port 80 is reachable, then re-deploy.",
                 )