agent: Support GEMINI_API_KEY environment variable (#34574)
Google Gemini Docs now recommend usage of `GEMINI_API_KEY` and the
legacy `GOOGLE_AI_API_KEY` variable is no longer supported in the modern
SDKs.
Zed will now accept either.
Release Notes:
- N/A
f82ef1f76fPeter Tripp committed on 7/16/2025, 8:55:54 PM· committed by GitHubparentb4c2ae5