Release 3.0.3

3.0.3 (2021-08-28)

• Enable MSK IAM Role based authentication
• Add AWS::Signer
• Allow LaunchTemplateSpecification in LaunchTemplateOverrides
• Add AWS::Route53RecoveryControl and AWS::Route53RecoveryReadiness per 2021-07-29 changes
• Update S3Outposts per 2021-07-29 changes
• Update DataBrew per 2021-07-29 changes
• Update FSx per 2021-08-05 changes
• Update ApiGatewayV2 per 2021-08-12 changes
• Update AppSync per 2021-08-05 changes
• Add Athena::PreparedStatement per 2021-08-05 changes
• Update ApiGateway per 2021-08-12 changes
• Add TimeZone property to AWS::AutoScaling::ScheduledAction
• Fix black formatting in autoscaling.py
• Update WAFv2 per 2021-08-12 changes
• Update Elasticsearch per 2021-08-17 changes
• Update SageMaker per 2021-08-19 changes
• Update Redshift per 2021-08-19 changes
• Update AutoScaling per 2021-08-19 changes
• Update CodeBuild per 2021-08-19 changes
• Add AWS::Logs::ResourcePolicy (#1936)
• Add AWS::Serverless::HttpApi (#1941)
• Update to main branch for tests workflow
• Switch build status badge from travis-ci to github
• Fix duplicate AWS::Logs::ResourcePolicy
• Remove duplicate TargetTrackingScalingPolicyConfiguration from dynamodb.py