bump milestone for 4008

Author: alexzielenski

keps/sig-api-machinery/4008-crd-ratcheting/kep.yaml

@@ -29,12 +29,12 @@ stage: beta
 # 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: "v1.29"
+latest-milestone: "v1.30"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone:
   alpha: "v1.28"
-  beta: "v1.29"
+  beta: "v1.30"
 
 
 # The following PRR answers are required at alpha release