message: replace `\n` with newline for GitHub App private key
diff: @@ -74,7 +74,7 @@ class GithubAppManager {
  this.baseUrl = baseUrl;
  this.baseAuthConfig = {
  appId: config.appId,
  - privateKey: config.privateKey,
  + privateKey: config.privateKey.replace(/\\n/gm, '\n'),
  };
  this.appClient = new Octokit({
  baseUrl,
  