Release 0.53.0

Features

• Support Bottlerocket as a node AMI family for managed nodegroups (#3762)
• Support Ubuntu as a node AMI family for managed nodegroups (#3789)
• Support constructing an IRSA with well known policies for EFS CSI driver (#3777)
• Let users pass any flag to Flux bootstrap (BREAKING see issue desc) (#3758)

Improvements

• Add network-interface to TagSpecification (#3770)
• Remove support for creating EKS 1.15 clusters (#3765)
• Remove deprecated wait-nodes command (#3776)
• Add grace period after cluster API is available (#3763)
• Check for custom AMI by matching ami- prefix (#3754)

Bug Fixes

• Fix Ubuntu support in unmanaged nodegroups (#3796)
• Add ASG name to nodegroup output when name flag is set (#3785)

Weaveworks would like to sincerely thank:
@Aym3nTN and @eze8789