Update UserManager.ts

Author: ker-nicolaib

src/UserManager.ts

@@ -20,7 +20,7 @@ import type { SigninResponse } from "./SigninResponse";
 /**
  * @public
  */
-export type ExtraSigninRequestArgs = Pick<CreateSigninRequestArgs, "nonce" | "extraQueryParams" | "extraTokenParams" | "state" | "redirect_uri" | "prompt" | "acr_values" | "login_hint" | "scope" | "max_age" >;
+export type ExtraSigninRequestArgs = Pick<CreateSigninRequestArgs, "nonce" | "extraQueryParams" | "extraTokenParams" | "state" | "redirect_uri" | "prompt" | "acr_values" | "login_hint" | "scope" | "max_age" | "ui_locales" >;
 /**
  * @public
  */