Cleans up a new GitHub Actions workflow.
Before you mark this PR as ready for review, make sure that you have:
- ~~[ ] Added a solid test coverage and/or screenshots from doing manual
testing~~
- [x] Done a self-review taking into account security and performance
aspects
- ~~[ ] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)~~
Release Notes:
- N/A