editors/zed: Update to 1.2.3

Changelog:

• https://github.com/zed-industries/zed/releases/tag/v1.1.7
• https://github.com/zed-industries/zed/releases/tag/v1.1.8
• https://github.com/zed-industries/zed/releases/tag/v1.2.3

Reported by: GitHub (watch releases)