[request-promise]: Adding generics to request promise API (#43244)
[request-promise]: Adding generics to request promise API (#43244)

* request-promise-apu-generics: Adding generics to request promise API

* request-promise-apu-generics: adding a default generic of type any

Co-authored-by: Puneet Arora <6a1e8e19a4eae87b6ce5c19445d7cd83cbb946e2@atlassian.com>
georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped