Release v0.12.0-preview.7

What's Changed

• fix(patch): cherry-pick 135d981 to release/v0.12.0-preview.6-pr-12299 to patch version v0.12.0-preview.6 and create version 0.12.0-preview.7 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/12368

Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.12.0-preview.6...v0.12.0-preview.7