refactor(ctx): adjust the usage of throttle

[atzcl]

Description

Upstream @antfu/utils upgraded the throttle-debounce dependency, resulting in abnormal usage of throttle used by writeConfigFilesThrottled

Error message

TypeError: callback.apply is not a function

Additional context

where the problem is：antfu/utils@4bd2e2b#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519R61

The throttle of throttle-debounce is in the corresponding version of the code

old：https://github.com/niksy/throttle-debounce/blob/v3.0.1/throttle.js#L19
now：https://github.com/niksy/throttle-debounce/blob/master/throttle.js#L24

[antfu]

Thank you. This was a regression, reverted throttle-debounce