chore(deps): update terraform cloudposse/elasticache-redis/aws to v1.8.0

Author: renovate[bot]

src/modules/redis_cluster/main.tf

@@ -10,7 +10,7 @@ locals {
 
 module "redis" {
   source  = "cloudposse/elasticache-redis/aws"
-  version = "1.7.0"
+  version = "1.8.0"
 
   name = var.cluster_name