chore(deps): bump terraform-aws-modules/iam/aws in /grafana-eks

Bumps [terraform-aws-modules/iam/aws](https://github.com/terraform-aws-modules/terraform-aws-iam) from 5.11.1 to 5.30.1.
- [Release notes](https://github.com/terraform-aws-modules/terraform-aws-iam/releases)
- [Changelog](https://github.com/terraform-aws-modules/terraform-aws-iam/blob/master/CHANGELOG.md)
- [Commits](terraform-aws-modules/terraform-aws-iam@v5.11.1...v5.30.1)

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

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

grafana-eks/main.tf

@@ -21,7 +21,7 @@ data "aws_caller_identity" "grafana" {}
 
 module "iam" {
   source  = "terraform-aws-modules/iam/aws//modules/iam-assumable-role-with-oidc"
-  version = "5.11.1"
+  version = "5.30.1"
 
   create_role                   = true
   role_name                     = "${local.release_name}-irsa-${random_id.grafana_rds.dec}"