The qemu update migrated to noble-updates a couple weeks ago, so it is
no longer necessary to enable noble-proposed (or add the associated apt
pinning config).
+++ /dev/null
-Package: src:qemu:any
-Pin: release a=noble-proposed
-Pin-Priority: 550
+++ /dev/null
-Types: deb deb-src
-URIs: http://archive.ubuntu.com/ubuntu/
-Suites: noble-proposed
-Components: main universe
-Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg