Release 0.64.0

Improvements

• Fail early when instance selector returns too many instances (#4139)
• Bump vpc-resource-controller/webhook dep to v0.2.6 (#4104)

Bug Fixes

• Do not create nodegroup if --fargate is set and --managed is not provided (#4135)
• Fix creating Windows nodegroups in fully-private clusters (#4128)
• Add preBootstrapCommands to userdata when using customAMI (#4065)

Acknowledgments

Weaveworks would like to sincerely thank:
@EHJ-52n, @abhipth, @brsolomon-deloitte, and @kishoregv