kep-2535: add sig-auth into participating-sigs

This is now possible under the new template.

Signed-off-by: Stanislav Láznička <[email protected]>

Author: stlaz

keps/sig-node/2535-ensure-secret-pulled-images/kep.yaml

@@ -6,6 +6,8 @@ authors:
   - "@haircommander"
   - "@stlaz"
 owning-sig: sig-node
+participating-sigs:
+  - sig-auth
 status: implementable
 creation-date: 2021-03-10
 reviewers: