implementable, bump kep.yaml, add CEL discussion

Author: lauralorenz

keps/sig-multicluster/2149-clusterid/README.md

@@ -532,6 +532,7 @@ when drafting this test plan.
 
 - Determine if an `id.k8s.io ClusterProperty` be strictly a valid DNS label, or is allowed to be a subdomain.
 - To CRD or not to CRD (see section above)
+- Determine if CRD implementation should use CEL validation to limit byte length instead of code points; this would make it only compatible with 1.23+ where CEL validation is behind a feature gate for alpha.
 
 #### Beta -> GA criteria
 

keps/sig-multicluster/2149-clusterid/kep.yaml

@@ -7,7 +7,7 @@ owning-sig: sig-multicluster
 #participating-sigs:
 #  - sig-aaa
 #  - sig-bbb
-status: provisional
+status: implementable
 creation-date: 2020-11-13
 reviewers:
   - "@mikedanese"
@@ -26,7 +26,7 @@ stage: alpha
 # 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: "v1.23"
+latest-milestone: "v1.24"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 # milestone: