Change name of web search tool (#53573)

Self-Review Checklist:

- [ ] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Release Notes:

- N/A
3436e51042Mikayla Maki committed on 4/10/2026, 12:47:24 AM· committed by GitHubparentb3bc52e
11 files changedLine totals unavailable