Fix executable (#554)

According to nodejs/node#30810
We need to use `#!/usr/bin/env -S node
--no-warnings=ExperimentalWarning` on Linux. Otherwise it hangs. This
flag also works on other OS environments.

packages/dbos-cloud/cli.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env node --no-warnings=ExperimentalWarning
+#!/usr/bin/env -S node --no-warnings=ExperimentalWarning
 
 import { registerApp, listApps, deleteApp, deployAppCode, getAppLogs } from "./applications/index.js";
 import { Command } from "commander";