pytorch

46113876 - [optim] take kw-only argument for functional optim APIs (#56185)

[optim] take kw-only argument for functional optim APIs (#56185) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/56185 ghstack-source-id: 126670123 Reviewed By: albanD Differential Revision: D27802169 fbshipit-source-id: f5e1cb2046dcdeecf5f6b0f70892828bf0adb22f