Update Efficient Watch Resumption KEP to Stable

Author: wojtek-t

keps/prod-readiness/sig-api-machinery/1904.yaml

@@ -1,3 +1,5 @@
 kep-number: 1904
 beta:
   approver: "@deads2k"
+stable:
+  approver: "@deads2k"

keps/sig-api-machinery/1904-efficient-watch-resumption/README.md

@@ -300,8 +300,8 @@ Alpha should provide basic functionality covered with tests described above.
 #### Beta -> GA Graduation
 
 - Enabled in Beta for at least two releases without complaints
-- Rolling-upgrade of kube-apiservers in 5k-node cluster test is
-   automated and running periodically.
+- Benefits of the feature during rolling upgrade of kube-apiserver at scale
+   (thousands of nodes) proven in production
 
 ### Upgrade / Downgrade Strategy
 

keps/sig-api-machinery/1904-efficient-watch-resumption/kep.yaml

@@ -19,18 +19,18 @@ see-also:
 replaces:
 
 # The target maturity stage in the current dev cycle for this KEP.
-stage: beta
+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: "v1.24"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone:
   alpha: "v1.20"
   beta: "v1.21"
-  stable: "v1.23"
+  stable: "v1.24"
 
 # The following PRR answers are required at alpha release
 # List the feature gate name and the components for which it must be enabled