Workflow to label issues failed with 401

[abatishchev]

See also #17107.

A workflow for #17252 failed with an error:

Error: Failed request: (401)
    at RestClient.<anonymous> (/home/runner/work/azure-pipelines-tasks/azure-pipelines-tasks/node_modules/typed-rest-client/RestClient.js:202:31)
    at Generator.next (<anonymous>)
    at fulfilled (/home/runner/work/azure-pipelines-tasks/azure-pipelines-tasks/node_modules/typed-rest-client/RestClient.js:6:58)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (node:internal/process/task_queues:96:5) {
  statusCode: 401

See https://github.com/microsoft/azure-pipelines-tasks/actions/runs/3518879727/jobs/5898253969#step:6:126

[Roman-Shchukin]

Hi @abatishchev thanks for reporting! Fixed.