[Launched] Generally Available: Ubuntu 24.04 support in AKS

Ubuntu 24.04 is now generally available on AKS in Kubernetes
version 1.32 and above. Containerd 2.0 is enabled by default. Ubuntu 24.04 is
default with `Ubuntu` OS Sku in kubernetes version 1.35 and above. There are two ways that Ubuntu 24.04 can be enabl