replace redis client for improved reliability

Added

• Parse pull request body to find dependabot versions. (#845)

Changed

• Replaced asyncio-redis with redis-py asyncio to improve network reliability. (#867)

Fixed

• Delete subscriptions from web API db on cancellation. (#838)
• Add workaround for bug in GitHub GraphQL API. (#842)
• Retry on merge being blocked to workaround GitHub API consistency issues. (#846)
• Fix schema to handle null requestedReviewer. (#847)
• Add better support for required codeowner reviews. (#849)
• Fix HTTP performance with httpx by reusing the ssl context. (#852)

Fix parsing Pull Request edge cases

Fixed

• Fix parsing a PR without an author / without commits / with null CheckRuns (#828, #831, #827)
• internal: remove FastAPI dependency and use Starlette (#826)

Support m1 macOS for development

Fixed

• Support m1 macos for development. (#824)

add `approve.auto_approve_labels` configuration

Added

• Added approve.auto_approve_labels configuration option to auto approve PRs (#817). Thanks @paescuj!

fix unicode support for merge.message.strip_html_comments

Fixed

• Fixed merge.message.strip_html_comments to correctly handle non-ascii pull request bodies. (#805)

Added `merge.block_on_neutral_required_check_runs` and `merge.message.cut_body_and_text` options

Added

• Added merge.block_on_neutral_required_check_runs option to stop Kodiak from merging a pull request if a require check run has a neutral conclusion. (#785)

• Added merge.message.cut_body_and_text to remove separator when using
  cut_body_after or cut_body_before (#771)

robust pull request review handling

Fixed

• Improved robustness for handling pull request required reviews. (#762, #763, #765)

Add merge.show_missing_automerge_label_message option

Added

• Added merge.show_missing_automerge_label_message option to toggle missing automerge label. Thanks @paescuj!

fixed Redis password auth

Fixed

• Fix Redis password auth support. Thanks @etiennetremel (#754)

Improved latency and reliability

Fixed

• Improved webhook and merge queue latencies by reducing concurrent API requests made by raw webhook ingestion. (#744)