* update support for linearly learning rate decay
* Fix LinearAnnealingLrUpdaterHook, update LinearAnnealingMomentumUpdaterHook, add unit test
add docstring
add docstring
update linear lr momentum schedule test
fix ci
Fix CI
* add lr and momentum hook to runner and hooks package
add lr and momentum hook to runner and hooks package
* replace multi_optimziers with multi_optimizers
Co-authored-by: HAOCHENYE <21724054@zju.edu.cn>
Co-authored-by: Mashiro <57566630+HAOCHENYE@users.noreply.github.com>