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* Update file outdated korean docs in dev-1.16-ko.4 (#17235)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/manage-kubernetes-objects/declarative-config.md

@@ -762,7 +762,7 @@ spec:
     rollingUpdate: # defaulted by apiserver - derived from strategy.type
       maxSurge: 1
       maxUnavailable: 1
-    type: RollingUpdate # defaulted apiserver
+    type: RollingUpdate # defaulted by apiserver
   template:
     metadata:
       creationTimestamp: null