feat(DiscordAPIErrror): Support Captcha solve service

src/rest/DiscordAPIError.js

@@ -25,7 +25,7 @@ class DiscordAPIError extends Error {
 
     /**
      * HTTP error code returned by Discord
-     * @type {number}
+     * @type {number | string}
      */
     this.code = error.code;
 
@@ -35,6 +35,19 @@ class DiscordAPIError extends Error {
      */
     this.httpStatus = status;
 
+    /**
+     * @typedef {Object} Captcha
+     * @property {Array<string>} captcha_key ['captcha-required']
+     * @property {string} captcha_sitekey Captcha code ???
+     * @property {string} captcha_service hcaptcha
+     */
+
+    /**
+     * Captcha response data if the request requires a captcha
+     * @type {Captcha | null}
+     */
+    this.captcha = error?.captcha_service ? error : null;
+
     /**
      * The data associated with the request that caused this error
      * @type {HTTPErrorData}