Set SSH keys in cloud init

[mraerino]

Fetch public SSH keys from GitHub for a list of users and sets them in the VMs via cloud-init

[github-actions]

🏗️ Terraform Plan

Terraform used the selected providers to generate the following execution
plan. Resource actions are indicated with the following symbols:
  ~ update in-place

Terraform will perform the following actions:

  # module.supernode[0].proxmox_vm_qemu.supernode will be updated in-place
  ~ resource "proxmox_vm_qemu" "supernode" {
        id                        = "pm2/qemu/119"
        name                      = "supernode-dev-0"
      + sshkeys                   = <<-EOT
            ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAGYe68nOalzIFaugGkuUrQFPxtKFDDhaN/S/W7Viz3K2pVV78BfkAu5gi78b7kYWCIT/wrl6u8S9VtTVl6QCjy7KwHmjqLj/3W2DVkTIbSFv0VVpsG45ILFkkeqNwjuEXqZyxXFgAZvvHRkJO/3t79LLWcXi324+bUrQcE+Qxfr20GQZg==
            ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN9C1hWDBL9driOUQhemBqYUFA1I7VM1UYt5ZDnIynZa
            ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJHQFe5F5okyt3Oo70cSeZTyUs9c6DFEw3a3jSmtpg+B
            ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAsGlElGJxP1/Mr1AhoZsWQn7N8+cZNA3lMd8HPDHRQj
        EOT
        # (38 unchanged attributes hidden)

        # (4 unchanged blocks hidden)
    }

  # module.supernode[1].proxmox_vm_qemu.supernode will be updated in-place
  ~ resource "proxmox_vm_qemu" "supernode" {
        id                        = "pm2/qemu/120"
        name                      = "supernode-dev-1"
      + sshkeys                   = <<-EOT
            ecdsa-sha2-nistp521 AAAAE2VjZHNhLXNoYTItbmlzdHA1MjEAAAAIbmlzdHA1MjEAAACFBAGYe68nOalzIFaugGkuUrQFPxtKFDDhaN/S/W7Viz3K2pVV78BfkAu5gi78b7kYWCIT/wrl6u8S9VtTVl6QCjy7KwHmjqLj/3W2DVkTIbSFv0VVpsG45ILFkkeqNwjuEXqZyxXFgAZvvHRkJO/3t79LLWcXi324+bUrQcE+Qxfr20GQZg==
            ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN9C1hWDBL9driOUQhemBqYUFA1I7VM1UYt5ZDnIynZa
            ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJHQFe5F5okyt3Oo70cSeZTyUs9c6DFEw3a3jSmtpg+B
            ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAsGlElGJxP1/Mr1AhoZsWQn7N8+cZNA3lMd8HPDHRQj
        EOT
        # (38 unchanged attributes hidden)

        # (4 unchanged blocks hidden)
    }

Plan: 0 to add, 2 to change, 0 to destroy.