Crash when running `dart web_generator/bin/update_idl_bindings.dart --update`

``` dart web_generator/bin/update_idl_bindings.dart --update * npm update changed 6 packages, and audited 10 packages in 2s found 0 vulnerabilities * /Users/kevmoo/github/flutter/bin/cache/dart-sdk/bin/dart compile js --enable-asserts --server-mode -DlanguageVersion=3.4.0 dart_main.dart -o dart_main.js Hint: When run on the command-line, the compiled output might require a preamble file located in: <sdk>/lib/_internal/js_runtime/lib/preambles. Compiled 18,717,388 input bytes (15,841,674 characters source) to 3,860,581 characters JavaScript in 5.96 seconds * node main.mjs --idl --output=/Users/kevmoo/github/web/web/lib/src /Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:5795 throw error; ^ Exception: Unrecognized member type async_iterable at Object.wrapException (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:1480:47) at _PartialInterfacelike._processMembers$1 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83756:23) at Translator._combineInterfacelikes$1 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83882:32) at Translator.markTypeAsUsed$1 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83934:19) at Object._getRawType (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:20711:29) at _PartialInterfacelike._processMembers$1 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83722:24) at Translator._combineInterfacelikes$1 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83882:32) at Translator.markTypeAsUsed$1 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83934:19) at Translator.addInterfacesAndNamespaces$0 (/Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:83837:20) at /Users/kevmoo/github/web/web_generator/lib/src/dart_main.js:19562:26 { dartException: _Exception { message: 'Unrecognized member type async_iterable' } } Node.js v25.1.0 Unhandled exception: ProcessException: Process failed Command: node main.mjs --idl --output=/Users/kevmoo/github/web/web/lib/src #0 runProc (package:web_generator/src/cli.dart:57:5) <asynchronous suspension> #1 main (file:///Users/kevmoo/github/web/web_generator/bin/update_idl_bindings.dart:71:3) <asynchronous suspension> ```