feat: add better types for request.request.signal (#649)

This replaces the `any` value with the proper `AbortSignal` type

Author: wolfy1339

src/RequestRequestOptions.ts

@@ -1,5 +1,4 @@
 import type { Fetch } from "./Fetch.js";
-import type { Signal } from "./Signal.js";
 
 /**
  * Octokit-specific request options which are ignored for the actual request, but can be used by Octokit or plugins to manipulate how the request is sent or how a response is handled
@@ -12,7 +11,7 @@ export type RequestRequestOptions = {
   /**
    * Use an `AbortController` instance to cancel a request. In node you can only cancel streamed requests.
    */
-  signal?: Signal;
+  signal?: AbortSignal;
   /**
    * If set to `false`, the response body will not be parsed and will be returned as a stream.
    */

src/Signal.ts

@@ -13,7 +13,6 @@ export * from "./RequestParameters.js";
 export * from "./RequestRequestOptions.js";
 export * from "./ResponseHeaders.js";
 export * from "./Route.js";
-export * from "./Signal.js";
 export * from "./StrategyInterface.js";
 export * from "./Url.js";
 export * from "./VERSION.js";