chore(deps): bump hashicorp/aws in /infra/terraform/eks (#203)

Bumps [hashicorp/aws](https://github.com/hashicorp/terraform-provider-aws) from 5.49.0 to 6.40.0.
- [Release notes](https://github.com/hashicorp/terraform-provider-aws/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-aws/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-aws@v5.49.0...v6.40.0)

---
updated-dependencies:
- dependency-name: hashicorp/aws
  dependency-version: 6.40.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

infra/terraform/eks/.terraform.lock.hcl

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "= 5.49.0"
+      version = "6.40.0"
     }
     kubernetes = {
       source  = "hashicorp/kubernetes"