Release v0.12.0-preview.3

What's Changed

• fix(patch): cherry-pick 82c1042 to release/v0.12.0-preview.2-pr-12231 to patch version v0.12.0-preview.2 and create version 0.12.0-preview.3 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/12320

Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.12.0-preview.2...v0.12.0-preview.3