KEP-2436 mark as implemented.

Author: jiahuif

keps/sig-cloud-provider/2436-controller-manager-leader-migration/README.md

@@ -474,6 +474,7 @@ N/A.
 - 05-11-2021 KEP updated to target beta.
 - 01-21-2022 KEP updated to target GA.
 - 01-25-2022 Testing and monitoring revised for GA.
+- 03-29-2022 Implementation for GA completed, released in 1.24
 
 ## Drawbacks
 

keps/sig-cloud-provider/2436-controller-manager-leader-migration/kep.yaml

@@ -15,7 +15,7 @@ approvers:
 prr-approvers:
   - "@deads2k"
 creation-date: 2019-04-22
-status: implementable
+status: implemented
 see-also:
   - "/keps/sig-cloud-provider/20180530-cloud-controller-manager.md"