chore: update qemu artifact to noble base

Author: darora

Dockerfile-kubernetes

@@ -1,5 +1,6 @@
 FROM alpine:3.21
 
+# TODO (darora): will need to update this in concert with the entrypoint
 ADD ./output-cloudimg/packer-cloudimg /disk/focal.qcow2
 
 RUN apk add --no-cache qemu-system-aarch64 qemu-img openssh-client nftables cloud-utils-localds aavmf virtiofsd

qemu-arm64-nix.pkr.hcl

@@ -74,8 +74,8 @@ source "qemu" "cloudimg" {
   format         = "qcow2"
   headless       = true
   http_directory = "http"
-  iso_checksum   = "file:https://cloud-images.ubuntu.com/focal/current/SHA256SUMS"
-  iso_url        = "https://cloud-images.ubuntu.com/focal/current/focal-server-cloudimg-arm64.img"
+  iso_checksum   = "file:https://cloud-images.ubuntu.com/noble/current/SHA256SUMS"
+  iso_url        = "https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-arm64.img"
   memory         = 40000
   qemu_binary    = "qemu-system-aarch64"
   qemuargs = [