Assign ViperServ IPv6 to WindRiver

Summary:
Address: [2001:bc8:2e84:700:0:dead:c0de:b07]
Reverse DNS: viperserv.nasqueron.org

This address will be used by eggdrops to connect to Libera.

Ref T2212

Test Plan:

• ifconfig igb0
• ping 2001:bc8:2e84:700:0:dead:c0de:b07

Reviewers: yousra, Duranzed

Reviewed By: Duranzed

Maniphest Tasks: T2212

Differential Revision: https://devcentral.nasqueron.org/D3931