Upgrading htk to version 0.2.55, which deprecates the ingress class
annotation (kubernetes.io/ingress.class) with .spec.ingressClassName
https://review.opendev.org/c/openstack/openstack-helm-infra/+/891720
Change-Id: I573a926ab6fb07f10c0c4d9020746ba80e6d8dbd
Signed-off-by: Anselme, Schubert (sa246v) <sa246v@att.com>