fix error

Author: mattdemichele-pearson

src/fetcher.ts

@@ -259,6 +259,7 @@ function fetcher<Paths>() {
                 path: path as string,
                 method: method as Method,
                 queryParams: Object.keys(queryParams || {}),
+                // @ts-ignore
                 payload,
                 init: mergeRequestInit(defaultInit, init),
                 fetch,