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- Update outdated files in dev-1.18-ko.10 branch (#23013)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/workloads/pods/pod-topology-spread-constraints.md

@@ -1,7 +1,7 @@
 ---
 title: 파드 토폴로지 분배 제약 조건
 content_type: concept
-weight: 50
+weight: 40
 ---
 
 <!-- overview -->