Updates latest-milestone to 1.23

Author: supriya-premkumar

keps/sig-autoscaling/2702-graduate-hpa-api-to-GA/kep.yaml

@@ -13,12 +13,12 @@ approvers:
 prr-approvers:
   - "@johnbelamaric"
 creation-date: 2021-05-10
-last-updated: 2021-05-10
+last-updated: 2021-09-08
 status: implementable
 
-latest-milestone: "v1.22"
+latest-milestone: "v1.23"
 stage: "stable"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone:
-  stable: "v1.22"
+  stable: "v1.23"