ci: Bump terraform Provider

[weebo-update-cli]

Bump terraform Provider

• talos version: 0.8.1
• proxmox version: 0.81.0
• kubernetes version: 2.38.0
• wireguard version: 0.4.0
• vault version: 5.1.0
• authentik version: 2025.6.0

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Upgrade Terraform Provider

Update Kubernetes Provider CAPI

changes detected: "kubernetes" updated from "2.37.1" to "2.38.0" in file "capi.terraform_init/main.tf"

Update Vault Provider CAPI

changes detected: "vault" updated from "5.0.0" to "5.1.0" in file "capi.vault_terraform/main.tf"

Update Proxmox Provider CAPI

changes detected: "proxmox" updated from "0.78.2" to "0.81.0" in file "capi.terraform/main.tf"

Update Vault Provider Authentik

changes detected: "vault" updated from "5.0.0" to "5.1.0" in file "main-cluster.argo/auth/terra/terra-map/main.tf"

Update Proxmox Provider Prepare

changes detected: "proxmox" updated from "0.78.2" to "0.81.0" in file "0.terraform/download-iso-talos/main.tf"

GitHub Action workflow link

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