chore(deps): update terraform cloudposse/iam-role/aws to v0.20.0

Author: renovate[bot]

main.tf

@@ -116,7 +116,7 @@ module "aws_config_findings_label" {
 module "iam_role" {
   count   = module.this.enabled && local.create_iam_role ? 1 : 0
   source  = "cloudposse/iam-role/aws"
-  version = "0.19.0"
+  version = "0.20.0"
 
   principals = {
     "Service" = ["config.amazonaws.com"]
@@ -144,7 +144,7 @@ module "iam_role" {
 module "iam_role_organization_aggregator" {
   count   = local.create_organization_aggregator_iam_role ? 1 : 0
   source  = "cloudposse/iam-role/aws"
-  version = "0.19.0"
+  version = "0.20.0"
 
   principals = {
     "Service" = ["config.amazonaws.com"]