CI: Mark debian-upgrade as non-voting

It's often failing due to some proxysql watchdog/crashes.

Change-Id: Ia3b40cc0377c66325cfdd8087a05315b7cd4e307
Signed-off-by: Michal Nasiadka <[email protected]>

Author: mnasiadka

zuul.d/project.yaml

@@ -42,7 +42,8 @@
         - kolla-ansible-rocky9-upgrade
         - kolla-ansible-rocky9-slurp-upgrade:
             voting: false
-        - kolla-ansible-debian-upgrade
+        - kolla-ansible-debian-upgrade:
+            voting: false
         - kolla-ansible-debian-slurp-upgrade:
             voting: false
         - kolla-ansible-ubuntu-upgrade
@@ -101,7 +102,7 @@
         - openstack-tox-py312
         - kolla-ansible-debian
         - kolla-ansible-debian-mariadb
-        - kolla-ansible-debian-upgrade
+        # - kolla-ansible-debian-upgrade
         - kolla-ansible-debian-podman
         - kolla-ansible-rocky9
         - kolla-ansible-rocky9-mariadb