Support providing AbortSignal to the `fs.stat` functions

What is the problem this feature will solve?

Currently fs.stat does not support providing an AbortSignal to fail-fast during teardown, unlike basically all other fs operations

What is the feature you are proposing to solve the problem?

That the StatOptions object have a new field signal?: AbortSignal and when that signal emits an "abort" event the underlying OS FS actions is aborted an the callback parameter of stat is called with an AbortError and undefined.

Futhermore, the async version of stat would also support this option but instead would reject the promise with an AbortError.

What alternatives have you considered?

None, this needs to be implemented within the VM

首先定位 fs.stat 和 StatOptions 的入口点，然后比较现有 fs 操作如何接受 AbortSignal 并传播 AbortError。完成的标准是：基于回调的 stat 在中止后返回 AbortError 和 undefined，而基于 promise 的版本以 AbortError 拒绝，并且底层文件系统操作停止。