Add yoonian to ko-owners

yoonian · yooniank · commit 19f00379baed · 2022-08-02T23:27:02.000+09:00
diff --git a/OWNERS_ALIASES b/OWNERS_ALIASES
@@ -136,6 +136,7 @@ aliases:
     - ianychoi
     - jihoon-seo
     - seokho-son
+    - yoonian
     - ysyukr
   sig-docs-ko-reviews: # PR reviews for Korean content
     - ClaudiaJKang
