keps/sig-release: 1498 stage: stable

This is implemented so its stage should be stable

Author: spiffxp

keps/sig-release/1498-kubernetes-yearly-support-period/kep.yaml

@@ -26,6 +26,7 @@ approvers:
 creation-date: 2020-01-22
 latest-milestone: v1.19
 status: implemented
+stage: stable
 see-also:
 replaces:
 superseded-by: