Update Eviction to v1 in 1.22

Author: liggitt

keps/sig-apps/85-Graduate-PDB-to-Stable/README.md

@@ -455,3 +455,4 @@ details). For now, we leave it here.
 - PodDisruptionBudget was introduced in Kubernetes 1.4 as an alpha version.
 - PodDisruptionBudget was graduated to beta in Kubernetes 1.5.
 - PodDisruptionBudget was graduated to GA in Kubernetes 1.21.
+- Eviction subresource was graduated to GA in Kubernetes 1.22.

keps/sig-apps/85-Graduate-PDB-to-Stable/kep.yaml

@@ -6,7 +6,7 @@ authors:
 owning-sig: sig-apps
 participating-sigs:
   - sig-scheduling
-status: implementable
+status: implemented
 creation-date: 2019-03-18
 reviewers:
   - "@liggitt"
@@ -27,7 +27,7 @@ stage: stable
 # The most recent milestone for which work toward delivery of this KEP has been
 # done. This can be the current (upcoming) milestone, if it is being actively
 # worked on.
-latest-milestone: "v1.21"
+latest-milestone: "v1.22"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone: