[READY] - Hypervisor, kea, and ntp configs

[sarcasticadmin]

Description of PR

Relates to: #660 #593

Baseline configuration for hypervisor using: https://github.com/astro/microvm.nix

There will be more follow ups but as you can see theres already a lot here so Id like to get this reviewed where things currently sit.

Previous Behavior

• Bhyve config and hosts
• no time being included in dhcp info
• servers were using external ntp for getting time

New Behavior

• microvm project as the hypervisor config (qemu)
• kea ntp configs for dhcpv4
• kea binding workaround after having issue with systemd service startup: https://gitlab.isc.org/isc-projects/kea/-/issues/2776
• New runNixOSTest for verifying that bind zone for scale.lan is valid
• update kea reservation config due to deprecated option: https://kea.readthedocs.io/en/kea-2.2.0/arm/dhcp4-srv.html#fine-tuning-dhcpv4-host-reservation
• simple alias support for servers in inventory.py
• servers utilize our own ntp servers
• hardware-configuration.nix for hypervisors leverages labels thanks for the work in: https://github.com/socallinuxexpo/scale-network/pull/668 but we can use this same configuration for both machines
• leveraging a fork of microvm for the time being due to a recursion problem that Im getting with the current upstream commits
  • The includes a fix that was upstreamed: https://github.com/astro/microvm.nix/pull/199

Tests

Passes:

$ nix flake check

Specifically, this test with the new scale.lan validation for the zone:

$ nix build -L .#checks.x86_64-linux.core

Testing on the new lenovo hardware works (currently only testing on hypervisor2):

# nixos-rebuild switch --flake github:socallinuxexpo/scale-network/rh/issue-660-2#hypervisor2 --refresh

[sarcasticadmin]

Thanks for the review, comments, and merge @kylerisse !