kops-ci: Bump EKS module

[ameukam]

Bump to v20.x version

Introducing:

• Access entries
• Karpenter support
• AL2023 support
• tags on launch templates instead of the node group

/hold

[ameukam]

cc @bryantbiggs

I see this in the terraform plan:

  # module.eks.time_sleep.this[0] must be replaced
+/- resource "time_sleep" "this" {
      ~ id              = "2023-12-05T08:28:21Z" -> (known after apply)
      ~ triggers        = { # forces replacement
          + "cluster_service_cidr"               = "172.20.0.0/16"
            # (4 unchanged elements hidden)
        }
        # (1 unchanged attribute hidden)
    }

Is it expected ?

[bryantbiggs]

yes - see terraform-aws-modules/terraform-aws-eks#2963

[ameukam]

/hold cancel
I think we are good to go.

cc @bryantbiggs @hakman @rifelpet

[hakman]

/lgtm

[bryantbiggs]

/lgtm 🚀

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