KEP-4292: Update latest milestone to 1.31

Author: ardaguclu

keps/sig-cli/4292-kubectl-debug-custom-profile/kep.yaml

@@ -23,7 +23,7 @@ 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: "v1.30"
+latest-milestone: "v1.31"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone: