Bump Rust version to 1.94 (#51086)

Closes #ISSUE

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
- [ ] 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
b59ae5cf81Piotr Osiewicz committed on 3/30/2026, 9:06:59 AM· committed by GitHubparent7f7520b
16 files changedLine totals unavailable