Merge pull request kubernetes#4769 from haircommander/4033-meta-beta

KEP-4033: update metadata to reflect beta status

Author: k8s-ci-robot

keps/sig-node/4033-group-driver-detection-over-cri/kep.yaml

@@ -17,7 +17,7 @@ see-also: []
 replaces: []
 
 # The target maturity stage in the current dev cycle for this KEP.
-stage: alpha
+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