Create more PVs in the ovn-operator kuttl test

With [1] PVCs which are created for the OVN databases aren't cleaned
automatically thus we should have more than 12 PVs created in the kuttl
job so that each test will use different PVs and there will be no old
data on the used PV.

[1] openstack-k8s-operators/ovn-operator#511

Related: #OSPRH-19930

Signed-off-by: Slawek Kaplonski <[email protected]>

Author: slawqo

ci-operator/config/openstack-k8s-operators/ovn-operator/openstack-k8s-operators-ovn-operator-main.yaml

@@ -86,6 +86,7 @@ tests:
   steps:
     env:
       CEPH_HOSTNETWORK: "false"
+      PV_NUM: 50
     workflow: openstack-k8s-operators-test-build-deploy-kuttl
 - as: precommit-check
   commands: |