fix(dev): use localhost for emited host in port mode

Author: pi0

src/runtime/entries/dev.ts

@@ -31,6 +31,6 @@ server.listen(listenAddress, () => {
     event: 'listen',
     address: typeof _address === 'string'
       ? { socketPath: _address }
-      : { host: _address.address, port: _address.port }
+      : { host: 'localhost', port: _address.port }
   })
 })