Bump terraform-aws-modules/eks/aws from 18.30.2 to 18.31.2 in /aws

Bumps [terraform-aws-modules/eks/aws](https://github.com/terraform-aws-modules/terraform-aws-eks) from 18.30.2 to 18.31.2.
- [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@v18.30.2...v18.31.2)

---
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]

aws/main.tf

@@ -62,7 +62,7 @@ module "vpc" {
 
 module "eks" {
   source  = "terraform-aws-modules/eks/aws"
-  version = "18.30.2"
+  version = "18.31.2"
 
   cluster_name    = var.cluster_name
   cluster_version = var.cluster_version