Update for 1.23 plans

Author: mattcary

keps/sig-apps/1847-autoremove-statefulset-pvcs/README.md

@@ -546,7 +546,7 @@ details). For now, we leave it here.
 ## Implementation History
 
   - 1.21, KEP created.
-  - 1.22, alpha implementation.
+  - 1.23, alpha implementation.
 
 ## Drawbacks
 The StatefulSet field update is required.

keps/sig-apps/1847-autoremove-statefulset-pvcs/kep.yaml

@@ -25,9 +25,9 @@ stage: alpha
 latest-milestone: "v1.22"
 
 milestone:
-  alpha: "v1.22"
-  beta: "v1.23"
-  stable: "v1.24"
+  alpha: "v1.23"
+  beta: "v1.24"
+  stable: "v1.25"
 
 feature-gates:
   - name: StatefulSetAutoDeletePVC