github: Fix potential 32-bit package installations.

On the latest Fedora 43 image, 'dnf builddep' may install
the 32-bit version of libcap-ng-devel, which causes the
build to fail. This change forces builddep to exclude
32-bit packages, ensuring the correct x86_64 variants
are installed.

Acked-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>

Author: chaudron

.github/workflows/build-and-test.yml

@@ -684,7 +684,7 @@ jobs:
         dnf install -y rpm-build dnf-plugins-core
         sed -e 's/@VERSION@/0.0.1/' rhel/openvswitch-fedora.spec.in \
             > /tmp/ovs.spec
-        dnf builddep -y /tmp/ovs.spec
+        dnf builddep --exclude='*.i686' -y /tmp/ovs.spec
         rm -f /tmp/ovs.spec
 
     - name: configure