Bump terraform-aws-modules/eks/aws from 20.14.0 to 20.15.0

Bumps [terraform-aws-modules/eks/aws](https://github.com/terraform-aws-modules/terraform-aws-eks) from 20.14.0 to 20.15.0.
- [Release notes](https://github.com/terraform-aws-modules/terraform-aws-eks/releases)
- [Changelog](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/CHANGELOG.md)
- [Commits](terraform-aws-modules/terraform-aws-eks@v20.14.0...v20.15.0)

---
updated-dependencies:
- dependency-name: terraform-aws-modules/eks/aws
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

karpenter.tf

@@ -6,7 +6,7 @@ module "karpenter" {
   count = var.karpenter_enabled ? 1 : 0
 
   source  = "terraform-aws-modules/eks/aws//modules/karpenter"
-  version = "20.14.0"
+  version = "20.15.0"
 
   cluster_name = var.environment_name