fix(types): use Node http.IncomingMessage/ServerResponse for onError params

restana.Request/Response are generic types requiring Protocol<P> — incompatible
with the Hooks interface which is not parameterized. Node's native types are the
correct base types (restana extends them) and require no type arguments.

Author: molty3000

index.d.ts

@@ -59,7 +59,7 @@ declare namespace fastgateway {
     onRequest?: Function
     rewriteHeaders?: Function
     onResponse?: Function
-    onError?: (error: Error, request: Request, response: Response) => void
+    onError?: (error: Error, req: import('http').IncomingMessage, res: import('http').ServerResponse) => void
     rewriteRequestHeaders?: Function
     request?: {
       timeout?: number