Node anti-affinity for teleport-kube-agents

[gawertm]

https://gigantic.slack.com/archives/C053JHJC99Q/p1720528337889179

Problem

While rolling out nodes, access was lost since both pods are down at the same time.

upgradet7-control-plane-d7f58c63-c8zjk ~ # k get pod -A -o wide |grep teleport
kube-system       teleport-kube-agent-0                                            1/1     Terminating   0             30m     192.168.4.5      upgradet7-control-plane-32781c8f-78rkc   <none>           <none>
kube-system       teleport-kube-agent-1                                            1/1     Terminating   0             30m     192.168.4.248    upgradet7-control-plane-32781c8f-78rkc   <none>           <none>

[tuladhar]

✅ Tested on golem

Note

CHANGE LOG entry was missing in the PR, can be fix in release PR.