Fix APIView.options() return type to Response (#788)

Author: rohitrhmn1

rest_framework-stubs/views.pyi

@@ -89,4 +89,4 @@ class APIView(View):
     def handle_exception(self, exc: Exception) -> Response: ...
     def raise_uncaught_exception(self, exc: Exception) -> NoReturn: ...
     def dispatch(self, request: HttpRequest, *args: Any, **kwargs: Any) -> HttpResponseBase: ...
-    def options(self, request: Request, *args: Any, **kwargs: Any) -> HttpResponseBase: ...  # type: ignore[override]
+    def options(self, request: Request, *args: Any, **kwargs: Any) -> Response: ...  # type: ignore[override]