refactor: bump `await-tree` to 0.2 #16035

3 / 4 tasks completed

1 task still to be completed

Task	Status
`Registry` now provides interior mutability. No need for wrapping like `Arc<Mutex<..>>`.	Incomplete
reuse the same registry for different tasks in the process, to simplify the code	Incomplete
classify tasks with type information	Incomplete
I have written necessary rustdoc comments	Completed
I have added necessary unit tests and integration tests	Completed
All checks passed in `./risedev check` (or alias, `./risedev c`)	Completed
My PR needs documentation updates. (Please use the Release note section below to summarize the impact on users)	Incomplete