[TRAFFIC-11913]: Support Azure in `network access-point` and `network gateway` commands

[syoung-cflt]

Release Notes

New Features

• Support creating Azure Egress Private Link Endpoint in confluent network access-point private-link egress-endpoint create my-egress-endpoint
• Output the associated Azure Private Endpoint ID, Private Endpoint domain, and Private Endpoint IP address in confluent network access-point private-link egress-endpoint describe and confluent network access-point private-link egress-endpoint list
• Output the associated Azure Subscription in confluent network gateway describe and confluent network gateway list

Checklist

• [ ] Leave this box unchecked if features are not yet available in production

What

TODO: Switch to public SDK before release

References

Test & Review