Update community files (#1024)

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

Author: knative-automation

OWNERS_ALIASES

@@ -71,6 +71,7 @@ aliases:
   operations-writers:
   - aliok
   - houshengbo
+  - kahirokunn
   - matzew
   productivity-leads:
   - cardil