Public Preview: Ipv6 support in Azure Firewall

Azure Firewall now supports IPv6 in public preview, enabling customers to configure Azure Firewall and Firewall Policy in dual-stack mode for both IPv4 and IPv6 traffic. This preview allows native IPv6 network-rule filtering and DNS Proxy support, helping organizations secure cloud, hybrid, and internal IPv6 traffic as they modernize toward dual-stack architectures. [Learn more](https://learn.microsoft.com/en-us/azure/firewall/deploy-dual-stack-firewall).