Switch to EFI-compatible CentOS Stream cloud image

As explained in a recent centos-devel message [1], which is in the
context of CentOS Stream 10 but also applies to 9:

   Q: What is the difference between the two x86_64 qcow2 images?
   The original (without the extra x86_64) is our original Bios only image.
   The one with the extra x86_64 boots using EFI

[1] https://lists.centos.org/hyperkitty/list/[email protected]/thread/PQSMX2QQCOJRKMNLQSXDOFIKRGJF4QDM/

Closes-Bug: #2121588
Change-Id: Ibd2c68103e73b1ecedd1aade780f96af3d9e9ab3
Signed-off-by: Pierre Riteau <[email protected]>
(cherry picked from commit e26b209)

Author: priteau

ansible/inventory/group_vars/all/seed-vm

@@ -46,15 +46,15 @@ seed_vm_root_format: qcow2
 # https://dl.rockylinux.org/pub/rocky/9/images/x86_64/Rocky-9-GenericCloud.latest.x86_64.qcow2
 # when os_distribution is "rocky",
 # or
-# "https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-9-latest.x86_64.qcow2"
+# "https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-x86_64-9-latest.x86_64.qcow2"
 # otherwise.
 seed_vm_root_image: >-
   {%- if os_distribution == 'ubuntu' %}
   https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img
   {%- elif os_distribution == 'rocky' %}
   https://dl.rockylinux.org/pub/rocky/9/images/x86_64/Rocky-9-GenericCloud.latest.x86_64.qcow2
   {%- else -%}
-  https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-9-latest.x86_64.qcow2
+  https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-x86_64-9-latest.x86_64.qcow2
   {%- endif %}
 
 # Capacity of the seed VM data volume.

releasenotes/notes/bug-2121588-ad6d8b33e3fcaff9.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixes CentOS Stream 9 seed and infra VMs not booting by switching to an
+    EFI-compatible image.
+    `LP#2121588 <https://bugs.launchpad.net/kayobe/+bug/2121588>`__