Chalice

* feature:Websockets:Add support for setting the Websocket protocol from the connect handler (1768)
* feature:SQS:Added MaximumBatchingWindowInSeconds to SQS event handler (1778)

* feature:Python:Add support for Python 3.9 (1787)

* enhancement:Dependencies:Bump attrs dependency to latest version (1786)
* bugfix:Auth:Fix ARN parsing when generating a builtin AuthResponse (1775)
* enhancement:CLI:Upgrade Click dependency to support v8.0.0 (1729)

* bugfix:GovCloud:Fix partition error when updating API Gateway in GovCloud region (1770)

* feature:Python2.7:Remove support for Python 2.7 (1766)
* enhancement:Terraform:Update Terraform packaging to support version 1.0 (1757)
* enhancement:Typing:Add missing WebsocketEvent type information (1746)
* enhancement:S3 events:Add source account to Lambda permissions when configuring S3 events (1635)
* enhancement:Packaging:Add support for Terraform v0.15 (1725)

* enhancement:Deploy:Wait for function state to be active when deploying
* feature:SQS:Add queue_arn parameter to enable CDK integration with SQS event handler (1681)