Support Azure Linux 3

[goiri]

In addition to Alpine Linux, NVX should support Azure Linux 3:
https://github.com/microsoft/AzureLinux

The guest image must use an immutable public Azure Linux 3 container digest.

[goiri]

https://mcr.microsoft.com/en-us/artifact/mar/azurelinux/base/core/tag/3.0

Repository: azurelinux/base/core
Tag: 3.0
Type: application/vnd.docker.distribution.manifest.list.v2+json
Digest: sha256:34a22db497ff34a0f35ca5fc54bd38711d04238a2c1b2f65d35dc9d45dd82584