Release 0.60.0

Improvements

• Add / to pod eviction errors (#4005)

Bug Fixes

• Correctly parse new kubernetes version format and use build.2 kube proxy images for 1.18+ clusters (#4021)
• Fix --version flag issue for create managed nodegroup command (#3962)

Acknowledgments

Weaveworks would like to sincerely thank:
@benjiro, and @vchetu