bump ovs to 3.x (#638)

diff --git a/roles/defaults/vars/main.yml b/roles/defaults/vars/main.yml
index 8ca046c..e0d1fa1 100644
--- a/roles/defaults/vars/main.yml
+++ b/roles/defaults/vars/main.yml
@@ -151,8 +151,8 @@
   octavia_health_manager: quay.io/vexxhost/octavia@sha256:7a322440c8427ee8a1199268e2c34ff6d541314e7fbf8e3ce1d7f30cd827b697 # image-source: quay.io/vexxhost/octavia:zed
   octavia_housekeeping: quay.io/vexxhost/octavia@sha256:7a322440c8427ee8a1199268e2c34ff6d541314e7fbf8e3ce1d7f30cd827b697 # image-source: quay.io/vexxhost/octavia:zed
   octavia_worker: quay.io/vexxhost/octavia@sha256:7a322440c8427ee8a1199268e2c34ff6d541314e7fbf8e3ce1d7f30cd827b697 # image-source: quay.io/vexxhost/octavia:zed
-  openvswitch_db_server: quay.io/vexxhost/openvswitch:2.17.3
-  openvswitch_vswitchd: quay.io/vexxhost/openvswitch:2.17.3
+  openvswitch_db_server: quay.io/vexxhost/openvswitch:3.1.0-55
+  openvswitch_vswitchd: quay.io/vexxhost/openvswitch:3.1.0-55
   ovn_controller: quay.io/vexxhost/ovn-host:23.03.0
   ovn_northd: quay.io/vexxhost/ovn-central:23.03.0
   ovn_ovsdb_nb: quay.io/vexxhost/ovn-central:23.03.0