Bump version of the Terraform module "eks" to 20.2.1

[jenkins-infra-updatecli]

Bump version of the Terraform module "eks"

Update the Terraform module version of terraform-aws-modules/eks/aws in cik8s-cluster.tf

changes detected: path "module.eks-public.version" updated from "19.21.0" to "20.0.1" in file "eks-public-cluster.tf"

20.0.1

Changelog retrieved from:
	https://github.com/terraform-aws-modules/terraform-aws-eks/releases/tag/v20.0.1
### [20.0.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v20.0.0...v20.0.1) (2024-02-03)


### Bug Fixes

* Correct cluster access entry to create multiple policy associations per access entry ([#2892](https://github.com/terraform-aws-modules/terraform-aws-eks/issues/2892)) ([4177913](https://github.com/terraform-aws-modules/terraform-aws-eks/commit/417791374cf72dfb673105359463398eb4a75d6e))

20.2.1

Changelog retrieved from:
	https://github.com/terraform-aws-modules/terraform-aws-eks/releases/tag/v20.2.1
### [20.2.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v20.2.0...v20.2.1) (2024-02-08)


### Bug Fixes

* Karpenter `enable_spot_termination = false` should not result in an error ([#2907](https://github.com/terraform-aws-modules/terraform-aws-eks/issues/2907)) ([671fc6e](https://github.com/terraform-aws-modules/terraform-aws-eks/commit/671fc6e627d957ada47ef3f33068d715e79d25d6))

Update the Terraform module version of terraform-aws-modules/eks/aws in cik8s-cluster.tf

changes detected: path "module.cik8s.version" updated from "19.21.0" to "20.0.1" in file "cik8s-cluster.tf"

20.0.1

Changelog retrieved from:
	https://github.com/terraform-aws-modules/terraform-aws-eks/releases/tag/v20.0.1
### [20.0.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v20.0.0...v20.0.1) (2024-02-03)


### Bug Fixes

* Correct cluster access entry to create multiple policy associations per access entry ([#2892](https://github.com/terraform-aws-modules/terraform-aws-eks/issues/2892)) ([4177913](https://github.com/terraform-aws-modules/terraform-aws-eks/commit/417791374cf72dfb673105359463398eb4a75d6e))

20.2.1

Changelog retrieved from:
	https://github.com/terraform-aws-modules/terraform-aws-eks/releases/tag/v20.2.1
### [20.2.1](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v20.2.0...v20.2.1) (2024-02-08)


### Bug Fixes

* Karpenter `enable_spot_termination = false` should not result in an error ([#2907](https://github.com/terraform-aws-modules/terraform-aws-eks/issues/2907)) ([671fc6e](https://github.com/terraform-aws-modules/terraform-aws-eks/commit/671fc6e627d957ada47ef3f33068d715e79d25d6))

Jenkins pipeline link

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[dduportal]

Major change: to be checked in details!

[dduportal]

This is a major version change. Upgrade guide 19.x to 20.y is available here: https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/UPGRADE-20.0.md

Based on the errors:

• Error: Unsupported argument for create_aws_auth_configmap, manage_aws_auth_configmap, aws_auth_users and aws_auth_accounts => need careful reading of https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/UPGRADE-20.0.md#%EF%B8%8F-authentication-mode-changes-%EF%B8%8F

[dduportal]

This PR will most probably be part of jenkins-infra/helpdesk#3954

[dduportal]

Superseded by #517