fix: ReDos regex vulnerability, reported by @dayshift

Author: wolfy1339

src/index.ts

@@ -76,7 +76,7 @@ export class RequestError extends Error {
     if (options.request.headers.authorization) {
       requestCopy.headers = Object.assign({}, options.request.headers, {
         authorization: options.request.headers.authorization.replace(
-          / .*$/,
+          /(?<! ) .*$/,
           " [REDACTED]",
         ),
       });