Fail the run if the token that is given does not have access

Currently the run just continues to execute, with nothing done. But it does not fail and just shows "Succeeded" as output.
Fail the run!

2s
Run $updateResult = (.\updater.ps[1](https://github.com/xxxx/github-fork-updater/actions/runs/4677275043/jobs/8284587467#step:5:1) -orgName xxxx -userName "xxx" -PAT *** -issuesRepository xxxxx/github-fork-updater )
Running a check on all repositories inside of organization [xxxx] with user [xxx] and a PAT that has length [40]
Error calling api at [https://api.github.com/orgs/xxxx/repos?per_page=[10](https://github.com/xxxx/github-fork-updater/actions/runs/4677275043/jobs/8284587467#step:5:11)0]:
  StatusCode: Unauthorized
  RateLimit-Limit: 60
  RateLimit-Remaining: 59
  RateLimit-Reset: 168[12](https://github.com/xxxx/github-fork-updater/actions/runs/4677275043/jobs/8284587467#step:5:13)988[16](https://github.com/xxxx/github-fork-updater/actions/runs/4677275043/jobs/8284587467#step:5:17)
  RateLimit-Used: 1
{"message":"Bad credentials","documentation_url":"https://docs.github.com/rest"}
@{message=Bad credentials; documentation_url=[https://docs.github.com/rest}](https://docs.github.com/rest%7D)
Found [0] repositories in [xxxx]
Found [0] forks with available updates

Start in updater.ps1 at the GitHub API error handling shown in the run log, especially the Unauthorized/Bad credentials response. Make the run report failure instead of continuing with zero repositories, then rerun the action with an invalid token and confirm it no longer shows Succeeded.