feat(nautobotop): add UCVNI group support to VLAN group sync

[abhimanyu003]

Add UCVNI group support to VLAN group sync.

Example of yaml config.

apiVersion: v1
kind: ConfigMap
metadata:
  name: vlan-groups
  namespace: nautobot
data:
  vlan-groups.yaml: |
    - name: management-vlans
      location: iad3
      range: "100-199"
      ucvni_group: spine402-1.iad3
    - name: guest-vlans
      location: dfw1
      range: "200-299"
      ucvni_group: spine402-1.iad3
    - name: production-vlans
      location: iad3
      range: "300-399"
      ucvni_group: spine402-1.iad3

[skrobul]

LGTM