Forth Korean l10n work for release-1.16 (#17481)

* Translate workloads/controllers/ttlafterfinished.md in Korean. (#17241)
* Update Korean l10n guide (#17402)
* Translate tasks/manage-kubernetes-objects/kustomization in Korean (#17225)
* Update file outdated korean docs in dev-1.16-ko.4 (#17235)
* Translate concepts/workloads/pods/ephemeral-containers.md in Korean. (#16630)

Co-Authored-By: Yuk, Yongsu <ysyukr@gmail.com>
Co-Authored-By: Cheolgu Kim <lapee79@gmail.com>
Co-Authored-By: June Yi <gochist@gmail.com>
Co-Authored-By: Seokho Son <shsongist@gmail.com>

content/ko/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough.md

@@ -308,7 +308,9 @@ spec:
     pods:
       metric:
         name: packets-per-second
-      targetAverageValue: 1k
+      target:
+        type: AverageValue
+        averageValue: 1k
   - type: Object
     object:
       metric: