feat(tf): update terragrunt dependency github.com/terraform-aws-modules/terraform-aws-eks to v20.19.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/terraform-aws-modules/terraform-aws-eks	github	minor	v20.17.2 -> v20.19.0

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Release Notes

terraform-aws-modules/terraform-aws-eks (github.com/terraform-aws-modules/terraform-aws-eks)

### [`v20.19.0`](https://togithub.com/terraform-aws-modules/terraform-aws-eks/releases/tag/v20.19.0) [Compare Source](https://togithub.com/terraform-aws-modules/terraform-aws-eks/compare/v20.18.0...v20.19.0) ##### Features - Pass the `primary_ipv6` argument to the AWS provider. ([#​3098](https://togithub.com/terraform-aws-modules/terraform-aws-eks/issues/3098)) ([e1bb8b6](https://togithub.com/terraform-aws-modules/terraform-aws-eks/commit/e1bb8b66617299c6d9972139b1f9355322e7801e)) ### [`v20.18.0`](https://togithub.com/terraform-aws-modules/terraform-aws-eks/releases/tag/v20.18.0) [Compare Source](https://togithub.com/terraform-aws-modules/terraform-aws-eks/compare/v20.17.2...v20.18.0) ##### Features - Support `bootstrap_self_managed_addons` ([#​3099](https://togithub.com/terraform-aws-modules/terraform-aws-eks/issues/3099)) ([af88e7d](https://togithub.com/terraform-aws-modules/terraform-aws-eks/commit/af88e7d2f835b3dfde242157ba3dd98b749bbc0b))

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Configuration

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