build: replace deprecated built-in punycode with userland package (#19502)

esbuild.config.js

@@ -75,6 +75,10 @@ const baseConfig = {
   write: true,
 };
 
+const commonAliases = {
+  punycode: 'punycode/',
+};
+
 const cliConfig = {
   ...baseConfig,
   banner: {
@@ -88,6 +92,7 @@ const cliConfig = {
   plugins: createWasmPlugins(),
   alias: {
     'is-in-ci': path.resolve(__dirname, 'packages/cli/src/patches/is-in-ci.ts'),
+    ...commonAliases,
   },
   metafile: true,
 };
@@ -103,6 +108,7 @@ const a2aServerConfig = {
     'process.env.CLI_VERSION': JSON.stringify(pkg.version),
   },
   plugins: createWasmPlugins(),
+  alias: commonAliases,
 };
 
 Promise.allSettled([