Release v0.8.1

What's Changed

• fix(patch): cherry-pick a404fb8 to release/v0.8.0-pr-10280 to patch version v0.8.0 and create version 0.8.1 by @gemini-cli-robot in https://github.com/google-gemini/gemini-cli/pull/10681
• Revert "Get around the initial empty response from gemini-2.5-flash. … by @SandyTao520 in https://github.com/google-gemini/gemini-cli/pull/10688

Full Changelog: https://github.com/google-gemini/gemini-cli/compare/v0.8.0...v0.8.1