Update Terraform terraform-aws-modules/ec2-instance/aws to v5

Update terraform-aws-modules/ec2-instance/aws from 4.5.0 to 5.5.0

Change-type: patch

Author: balena-renovate[bot]

terraform/aws-ec2/main.tf

@@ -49,7 +49,7 @@ module "security_group" {
 
 module "ec2_instance" {
   source = "terraform-aws-modules/ec2-instance/aws"
-  version = "4.5.0"
+  version = "5.5.0"
   instance_count = 1
 
   name                        = "openssh-server"