fix(docs): fix the compatibility matrics on hpa.md
fix(docs): fix the compatibility matrics on hpa.md

Add new metrics-server version to the compatibility matrics on the horizontal_pod_autoscaling.md docs.

robinpercy/kops,aledbf/kops,gambol99/kops,gambol99/kops,gambol99/kops,aledbf/kops,kubernetes/kops,justinsb/kops,justinsb/kops,blakebarnett/kops,justinsb/kops,robinpercy/kops,blakebarnett/kops,aledbf/kops,kubernetes/kops,gambol99/kops,blakebarnett/kops,robinpercy/kops,kubernetes/kops,aledbf/kops,robinpercy/kops,blakebarnett/kops