Docs Issue: Packet is now Equinix Metal

[Zer0F8th]

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Overview of the Issue

Small issue I saw as I was reading the docs here, you guys talk about setting up a bare-metal instance from Packet. However it looks like this link does not resolve since Packet is now Equinix Metal. Who knows how long Equinix plans on renewing this domain for?

packer/website/content/guides/packer-on-cicd/build-virtualbox-image.mdx

Lines 26 to 36 in 298be01

	For the purposes of this example, we will run on a bare-metal instance from
	[Packet](https://www.packet.net/). If you are a first time user of Packet, the
	Packet team has provided HashiCorp the coupon code `hashi25` which you can use
	for `$25` off to test out this guide and up to 30% if you decide to
	reserve ongoing servers (email [email protected] for details). You can use
	a `baremetal_0` server type for testing, but for regular use, the `baremetal_1`
	instance may be a better option.
	There is also a [Packet
	Provider](https://registry.terraform.io/providers/packethost/packet/latest/docs) in
	Terraform you can use to provision the project and instance.