[stable/2023.2] [ATMOSPHERE-594] Sync OVN charts (#2310)

This is an automated cherry-pick of #2129
/assign mnaser
diff --git a/charts/ovn/Chart.yaml b/charts/ovn/Chart.yaml
index 00f498b..89f34fd 100644
--- a/charts/ovn/Chart.yaml
+++ b/charts/ovn/Chart.yaml
@@ -9,4 +9,4 @@
 sources:
 - https://github.com/ovn-org/ovn
 - https://opendev.org/openstack/openstack-helm
-version: 0.1.13
+version: 0.1.15