Linux flutter_plugins failing on new deprecation from package:quiver

On the engine roll revert: https://github.com/flutter/flutter/pull/117396, the [Linux flutter_plugins](https://ci.chromium.org/p/flutter/builders/prod/Linux%20flutter_plugins/9871) shard started failing (the revert was for an unrelated test)