Update community files (knative-extensions#622)

Signed-off-by: Knative Automation <automation@knative.team>

Author: knative-automation

OWNERS_ALIASES

@@ -158,9 +158,14 @@ aliases:
   - knative-test-reporter-robot
   - nainaz
   - psschwei
+  - retocode
   - salaboy
+  - skonto
   - upodroid
-  knative-release-leads: []
+  knative-release-leads:
+  - dsimansk
+  - retocode
+  - skonto
   knative-robots:
   - knative-automation
   - knative-prow-releaser-robot