[Bug] Example in temporalcloud_metrics_endpoint doesn't work

[Israphel]

What are you really trying to do?

Create Metrics Endpoint using Terraform.

Describe the bug

1. This block is wrong:

resource "tls_self_signed_cert" "ca" {
  private_key_pem = tls_private_key.ca.private_key_pem

Because there's no "tls_private_key.ca", it's "tls_private_key.default"

2. Fixing that, apply also fails with the error:

Must contain at least one Distinguished Name when creating Certificate Authority (CA)

the CA in the example doesn't contain "subject"

3. Inside tls_locally_signed_cert.default, there's a variable called "var.certificate_expiration_hours" which is not defined and it doesn't specify what it is for, or which value to use.

Minimal Reproduction

Use the provided example as is.

Environment/Versions

• OS and processor: Hashicorp Cloud (Linux amd64)
• Temporal Version: Cloud
• Are you using Docker or Kubernetes or building Temporal from source? No

Additional context