k8s: Use updated node struct when annotating node
k8s: Use updated node struct when annotating node

Current code uses the original node for consecutive updates on error
which prevents the update from ever succeeding.

Signed-off-by: Thomas Graf <5f50a84c1fa3bcff146405017f36aec1a10a9e38@cilium.io>

scanf/cilium,gumpt/cilium,michi-covalent/cilium,tklauser/cilium,cilium-team/cilium,cilium/cilium,tklauser/cilium,cilium/cilium,eloycoto/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium,scanf/cilium,tklauser/cilium,tgraf/cilium,eloycoto/cilium,eloycoto/cilium,cilium/cilium,eloycoto/cilium,michi-covalent/cilium,cilium-team/cilium,eloycoto/cilium,gumpt/cilium,scanf/cilium,michi-covalent/cilium,eloycoto/cilium,scanf/cilium,scanf/cilium,tklauser/cilium,tgraf/cilium,eloycoto/cilium,cilium/cilium,gumpt/cilium,scanf/cilium,gumpt/cilium,scanf/cilium,gumpt/cilium,gumpt/cilium,tgraf/cilium,tgraf/cilium,michi-covalent/cilium,gumpt/cilium