Personal access tokens for issue.ics
<!--IssueSummary start-->
<details>
<summary>
Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards.
</summary>
- [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=441349)
</details>
<!--IssueSummary end-->
Hi,
thanks first of all for your great git service.
### Proposal
As a user of a private repository, I would like to assign a dedicated app access for my issue.ics ticket deadlines.
Something like this:
https://PRIVATE-TOKEN:j-12345@my-git-server/bob/projekt-acb/-/issues.ics
issue