fix: remove shebang from npm bin scripts for better compatibility

Author: ymc9

packages/cli/bin/cli

@@ -1,3 +1,3 @@
-#!/usr/bin/env node --no-warnings
+#!/usr/bin/env node
 
 import '../dist/index.js';

packages/create-zenstack/bin/cli

@@ -1,3 +1,3 @@
-#!/usr/bin/env node --no-warnings
+#!/usr/bin/env node
 
 import '../dist/index.js';