v0.37.0

Bug Fixes

• core: fix some return types (#3192) (b5997c3)
• ecs: grant drain-hook policy container-instance permissions (#3199) (7796cd7), closes #3190
• sns: allow tokens to be used in UrlSubscription (#2938) (5ce4141)
• ssm: correctly deduplicate parameter names (#3183) (47bf435), closes #3076
• stepfunctions: Downscope SageMaker permissions (#2991) (69c82c8)

BREAKING CHANGES

• core: construct.findChild() now only looks up direct children
• ec2: Port.toRuleJSON was renamed to toRuleJson
• codebuild: PipelineProject.addSecondaryArtifact now returns void (formerly any)
• codebuild: Project.addSecondaryArtifact now returns void (formerly any)