version 1.8.1

Changes

• #451 Fix cookie extraction during OAuth for REST based AWS API GW + Lambda app - Thanks @naveensan1
• #449 Fix typo in App / AsyncApp comments and API documents - Thanks @objectfox
• #446 Update the entity name - Thanks @seratch

References

• milestone: https://github.com/slackapi/bolt-python/milestone/38?closed=1
• diff: v1.8.0...v1.8.1