KEP 4026: update status to implemented

Signed-off-by: Maciej Szulik <[email protected]>

Author: soltysh

keps/sig-apps/4026-crojob-scheduled-timestamp-annotation/kep.yaml

@@ -5,7 +5,7 @@ authors:
   - "@soltysh"
 owning-sig: sig-apps
 participating-sigs:
-status: implementable
+status: implemented
 creation-date: 2023-06-06
 reviewers:
   - "@soltysh"