Replace deprecated kubernetes_namespace with kubernetes_namespace_v1

[Copilot]

The kubernetes_namespace resource is deprecated by the Kubernetes Terraform provider in favor of kubernetes_namespace_v1, producing warnings on every plan/apply.

Changes

• main.tf: Replace kubernetes_namespace with kubernetes_namespace_v1; add a moved block to migrate existing state without destroying/recreating the namespace
• README.md: Update Resources table to reference kubernetes_namespace_v1 with the correct registry link

resource "kubernetes_namespace_v1" "meshcloud" {
  metadata {
    name = var.namespace
  }
}

moved {
  from = kubernetes_namespace.meshcloud
  to   = kubernetes_namespace_v1.meshcloud
}

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Deprecated resource</issue_title>
<issue_description>It seems this module uses a deprecated resource

│ Warning: Deprecated Resource
│ 
│   with module.aks_meshplatform.kubernetes_namespace.meshcloud,
│   on .terraform/modules/aks_meshplatform/main.tf line 2, in resource "kubernetes_namespace" "meshcloud":
│    2: resource "kubernetes_namespace" "meshcloud" {
│ 
│ Deprecated; use kubernetes_namespace_v1.
│ 
│ (and 15 more similar warnings elsewhere)
```</issue_description>

## Comments on the Issue (you are @copilot in this section)

<comments>
</comments>

• Fixes Deprecated resource #4

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