test: Enable host firewall in kube-proxy-free CI
test: Enable host firewall in kube-proxy-free CI

This commit enables the enforcement of host policies in the datapath for
our kube-proxy-free CI builds. Since no host policies are loaded, it
defaults to allow all on ingress and egress.

Signed-off-by: Paul Chaignon <a027184a55211cd23e3f3094f1fdc728df5e0500@cilium.io>

tgraf/cilium,michi-covalent/cilium,tklauser/cilium,tklauser/cilium,tklauser/cilium,cilium-team/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,tgraf/cilium,tgraf/cilium,cilium/cilium,tgraf/cilium,tgraf/cilium,michi-covalent/cilium,cilium/cilium,tklauser/cilium,cilium-team/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium