Add openvswitch-ipsec package for ipsec plugin

The FDP story (https://issues.redhat.com/browse/FDP-1051) gets openvswitch-ipsec
systemd service with required configurable parameters for OCP. It's available with
OVS 3.5 version, So OCP can use this service running on the host for configuring
IPsec for east west traffic.
This provides more flexibility in managing IPsec connections created by OVN and OVS,
helps to bring up existing IPsec connections timely before kubelet service comes up
upon node reboot scenarios. Hence this commit includes openvswitch-ipsec package to
be part of the ipsec extension.

Signed-off-by: Periyasamy Palanisamy <[email protected]>

Author: pperiyasamy

Diff for: extensions-ocp-rhel-9.6.yaml

@@ -24,6 +24,7 @@ extensions:
       # we can revert once that's fixed in latest libreswan
       - libreswan-4.6-3.el9_0.3
       - NetworkManager-libreswan
+      - openvswitch3.5-ipsec
   # https://github.com/coreos/fedora-coreos-tracker/issues/326
   usbguard:
     packages: