What's Changed

• chore: fix clippy warnings by @appflowy in https://github.com/AppFlowy-IO/AppFlowy-Cloud/pull/1103
• chore: save fragment index by @appflowy in https://github.com/AppFlowy-IO/AppFlowy-Cloud/pull/1106
• chore: add prometheus histogram metrics for collab redis update read latency by @Horusiath in https://github.com/AppFlowy-IO/AppFlowy-Cloud/pull/1109

Full Changelog: https://github.com/AppFlowy-IO/AppFlowy-Cloud/compare/0.9.0...0.9.1