Forth Korean l10n work for release-1.19

- Fix ko glossary managed service title (#24621)
- Translate reference/glossary/service-broker.md in Korean (#24632)
- Translate reference/command-line-tools-reference/kubelet-authentication-authorization.md into korean (#24623)
- Update outdated files in the dev-1.19-ko.4 branch (#24622)
- Translate setup/production-environment/tools/kubeadm/self-hosting/ into Korean (#24655)
- Translate reference/kubectl/kubectl.md into Korean (#24482)
- docs: fix typo (#24713)
- Translate connecting-frontend-backend to Korean (#24422)
- Translate reference/kubectl/conventions.md into Korean (#24614)
- Translate k8s 1.19 relaese note in korean (#24633)

Co-authored-by: seokho-son <shsongist@gmail.com>
Co-authored-by: santachopa <santachopa@naver.com>
Co-authored-by: kosehy@gmail.com <kosehy@gmail.com>
Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: markruler <csu0414@gmail.com>
Co-authored-by: noel <neutiyoo@gmail.com>
Co-authored-by: coolguyhong <podolsmith@naver.com>
Co-authored-by: chhanz <han0495@gmail.com>
Co-authored-by: bluefriday <bluefriday86@gmail.com>

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

@@ -406,6 +406,9 @@ behavior:
 
 마지막으로 5개의 파드를 드롭하기 위해 다른 폴리시를 추가하고, 최소 선택
 전략을 추가할 수 있다.
+분당 5개 이하의 파드가 제거되지 않도록, 고정 크기가 5인 두 번째 축소
+정책을 추가하고, `selectPolicy` 를 최소로 설정하면 된다. `selectPolicy` 를 `Min` 으로 설정하면
+자동 스케일러가 가장 적은 수의 파드에 영향을 주는 정책을 선택함을 의미한다.
 
 ```yaml
 behavior:
@@ -417,7 +420,7 @@ behavior:
     - type: Pods
       value: 5
       periodSeconds: 60
-    selectPolicy: Max
+    selectPolicy: Min
 ```
 
 ### 예시: 스케일 다운 비활성화