Introduce VariadicAlias, remove hardcoded alias limits (#6106)
* Introduce VariadicAlias, remove hardcoded alias limits
* Include optional-lite in winml build
Co-authored-by: Sherlock Huang <bahuang@OrtTrainingDev3.af05slrtruoetgaxwwjv5nsq5e.px.internal.cloudapp.net>
(cherry picked from commit a53f4dd3799f9e5741184d2051c5347c578bb522)