Fixed role name for uniqueness

deploy/api-gateway.tf

@@ -92,13 +92,13 @@ resource "aws_api_gateway_account" "apigw" {
 }
 
 resource "aws_iam_role" "cloudwatch" {
-  name = "api_gateway_cloudwatch_global"
+  name = "${local.prefix}-api_gateway_cloudwatch_global"
 
   assume_role_policy = file("./templates/api-gateway/assume-role-policy.json")
 }
 
 resource "aws_iam_role_policy" "cloudwatch" {
-  name = "default"
+  name = "${local.prefix}-default"
   role = aws_iam_role.cloudwatch.id
 
   policy = file("./templates/api-gateway/cloud-watch-policy.json")