Tenth Korean l10n work for release 1.18

- Translate concepts/extend-kubenetes/service-catalog.md in Korean (#23233)
- Translate concepts/configuration/secret.md into Korean (#23110)
- Translate tasks/extend-kubernetes/setup-extension-api-server.md into … (#22574)
- Update outdated files in dev-1.18-ko.10 branch (#23013)

Co-authored-by: Seokho Son <shsongist@gmail.com>
Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: santachopa <santachopa@naver.com>

content/ko/docs/concepts/architecture/nodes.md

@@ -20,8 +20,6 @@ weight: 10
 {{< glossary_tooltip text="컨테이너 런타임" term_id="container-runtime" >}}
 그리고 {{< glossary_tooltip text="kube-proxy" term_id="kube-proxy" >}}가 포함된다.
 
-
-
 <!-- body -->
 
 ## 관리
@@ -336,5 +334,5 @@ kubelet은 `NodeStatus` 와 리스 오브젝트를 생성하고 업데이트 할
 * [노드에 대한 API 정의](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/#node-v1-core)를 읽어본다.
 * 아키텍처 디자인 문서의 [노드](https://git.k8s.io/community/contributors/design-proposals/architecture/architecture.md#the-kubernetes-node)
   섹션을 읽어본다.
-* [테인트와 톨러레이션](/ko/docs/concepts/configuration/taint-and-toleration/)을 읽어본다.
+* [테인트와 톨러레이션](/ko/docs/concepts/scheduling-eviction/taint-and-toleration/)을 읽어본다.
 * [클러스터 오토스케일링](/ko/docs/tasks/administer-cluster/cluster-management/#클러스터-오토스케일링)을 읽어본다.