Refactor codebase to async/await - `spo roledefintion add` until `spo serviceprincipal permissionrequest list`

-	`spo roledefinition add`
-	`spo roledefinition get`
-	`spo roledefinition list`
-	`spo roledefinition remove`
-	`spo serviceprincipal grant add`
-	`spo serviceprincipal grant list`
-	`spo serviceprincipal grant revoke`
-	`spo serviceprincipal permissionrequest approve`
-	`spo serviceprincipal permissionrequest deny`
-	`spo serviceprincipal permissionrequest list`
