install: Add EgressNATPolicy to Helm charts
install: Add EgressNATPolicy to Helm charts

These charts are intended to have annotations describing each CRD
installed by Cilium. Add EgressNATPolicy, which was previously missing.

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@cilium.io>

cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,cilium/cilium