Temp downgrade of libvirt 8.4.x - failing tempest

With libvirt-8.4.0-1 and latest related packages from
centos-stream/9-stream/AppStream, the test_hotplug_nic
tempest test and others are failing.

Related BZ: https://bugzilla.redhat.com/show_bug.cgi?id=2092856

This review temp removes these libvirt related
packages to unblock testing while the BZ fix propogates.

Related-Bug: #1978969
Change-Id: Icfdea8c5d2f3b3abac6e1bc50c634c644531637c

config/release/tripleo-ci/CentOS-9/master.yml

@@ -170,6 +170,9 @@ repos:
     reponame: quickstart-centos-appstreams
     filename: quickstart-centos-appstreams.repo
     baseurl: ${NODEPOOL_CENTOS_MIRROR}/9-stream/AppStream/x86_64/os/
+    exclude:
+      - libvirt*-8.4*
+      - python*libvirt-8.4*
 
   # centos9 the equivalent to powertools is CRB
   - type: generic

config/release/tripleo-ci/CentOS-9/promotion-testing-hash-master.yml

@@ -140,6 +140,9 @@ repos:
     reponame: quickstart-centos-appstreams
     filename: quickstart-centos-appstreams.repo
     baseurl: ${NODEPOOL_CENTOS_MIRROR}/9-stream/AppStream/x86_64/os/
+    exclude:
+      - libvirt*-8.4*
+      - python*libvirt-8.4*
 
   # centos9 the equivalent to powertools is CRB
   - type: generic

config/release/tripleo-ci/CentOS-9/promotion-testing-hash-wallaby.yml

@@ -134,6 +134,9 @@ repos:
     reponame: quickstart-centos-appstreams
     filename: quickstart-centos-appstreams.repo
     baseurl: ${NODEPOOL_CENTOS_MIRROR}/9-stream/AppStream/x86_64/os/
+    exclude:
+      - libvirt*-8.4*
+      - python*libvirt-8.4*
 
   # centos9 the equivalent to powertools is CRB
   - type: generic

config/release/tripleo-ci/CentOS-9/wallaby.yml

@@ -170,6 +170,9 @@ repos:
     reponame: quickstart-centos-appstreams
     filename: quickstart-centos-appstreams.repo
     baseurl: ${NODEPOOL_CENTOS_MIRROR}/9-stream/AppStream/x86_64/os/
+    exclude:
+      - libvirt*-8.4*
+      - python*libvirt-8.4*
 
   # centos9 the equivalent to powertools is CRB
   - type: generic