PR toolkit crashes when you attempt to link an issue that already has 10 PRs linked to it

[jirimoravcik]

PR toolkit crashes when you attempt to link an issue that already has 10 PRs linked to it:
https://github.com/apify/apify-worker/actions/runs/36119667419/job/108022169127?pr=2151

Error: There was an internal error when running the pull request toolkit, please report it on Slack:
  Error: Request failed due to following response errors:
   - Issue exceeds manual reference limit

[seyhello]

Should be fixed in #71 (ignore the message and continue action)