GitLab

* 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>