Merge pull request #35 from serverless-ca/update-ca

Update CA to 2.9.0

Author: paulschwarzenberger

ca.tf

@@ -1,6 +1,6 @@
 module "certificate_authority" {
   source  = "serverless-ca/ca/aws"
-  version = "2.8.2"
+  version = "2.9.0"
 
   hosted_zone_domain  = var.hosted_zone_domain
   hosted_zone_id      = data.aws_route53_zone.public.zone_id