[ATMOSPHERE-594] Sync OVN charts (#2129)

diff --git a/.charts.yml b/.charts.yml
index 830d178..486ae04 100644
--- a/.charts.yml
+++ b/.charts.yml
@@ -168,13 +168,14 @@
     repository: *openstack_helm_infra_repository
     dependencies: *openstack_helm_dependencies
   - name: ovn
-    version: 0.1.13
+    version: 0.1.15
     repository: *openstack_helm_infra_repository
     dependencies: *openstack_helm_dependencies
     patches:
       gerrit:
         review.opendev.org:
-          - 933333
+          - 934929
+          - 934931
   - name: placement
     version: 0.3.9
     repository: *openstack_helm_repository