[core] FasterCache (#10163)
* init
* update
* update
* update
* make style
* update
* fix
* make it work with guidance distilled models
* update
* make fix-copies
* add tests
* update
* apply_faster_cache -> apply_fastercache
* fix
* reorder
* update
* refactor
* update docs
* add fastercache to CacheMixin
* update tests
* Apply suggestions from code review
* make style
* try to fix partial import error
* Apply style fixes
* raise warning
* update
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