v1.21.3

• Kubernetes v1.21.3
• Update Cilium from v1.10.1 to v1.10.3
• Require poseidon/ct Terraform provider v0.9+ (notes)

AWS

• Change default disk type from gp2 to gp3 (#1012)

Addons

• Update Prometheus from v2.28.0 to v2.28.1
• Update node-exporter from v1.1.2 to v1.2.0
• Update Grafana from v8.0.3 to v8.0.6