keps/sig-release: 0000 stage: stable

This is implemented so its stage should be stable

Author: spiffxp

keps/sig-release/0000-anago-to-krel-migration/kep.yaml

@@ -10,3 +10,4 @@ approvers:
 creation-date: 2020-09-22
 latest-milestone: v1.20
 status: implemented
+stage: stable