Merge pull request #5321 from liggitt/4193-token-stable

KEP-4193: Mark as implemented

Author: k8s-ci-robot

keps/sig-auth/4193-bound-service-account-token-improvements/kep.yaml

@@ -4,7 +4,7 @@ authors:
   - "@munnerz"
   - "@enj"
 owning-sig: sig-auth
-status: implementable
+status: implemented
 creation-date: 2023-08-02
 reviewers:
   - "@enj"