Fifth Korean l10n work for release 1.18

- Update to Outdated files in the dev-1.18-ko.5 branch. (#21450)
- Translate tasks/run-application/run-single-instance-stateful-application in Korean (#21174)
- Translate tasks/debug-application-cluster/determine-reason-pod-failure in Korean (#21515)
- Translate tasks/manage-hugepages/scheduling-hugepages.md into Korean (#21337)
- Translate tasks/extend-kubectl/kubectl-plugins.md into Korean (#21454)
- Translate tasks/manage-daemon/rollback-daemon-set.md into Korean (#21376)
- Translate contribute/generate-ref-docs/overview in Korean (#21466)
- Translate reference/kubectl/overview.md into Korean (#21552)
- Translate configure-pod-initialization in Korean (#21600)
- Translate tasks/manage-daemon/update-daemon-set.md into Korean (#21378)

Co-authored-by: Jerry Park <jaehwa@gmail.com>
Co-authored-by: Yoon <learder@gmail.com>
Co-authored-by: Yuk, Yongsu <ysyukr@gmail.com>
Co-authored-by: Seokho Son <shsongist@gmail.com>
Co-authored-by: guslcho <jamie14@naver.com>
Co-authored-by: DongMoon Kim <dmoons.kim@gmail.com>
Co-authored-by: bluefriday <bluefriday86@gmail.com>

content/ko/training/_index.html

@@ -97,7 +97,7 @@ class: training
           </h5>
           <p>공인 쿠버네티스 관리자(CKA) 프로그램은 CKA가 쿠버네티스 관리자 직무을 수행할 수 있는 기술, 지식과 역량을 갖추고 있음을 보장합니다.</p>
           <br>
-          <a href=https://training.linuxfoundation.org/certification/certified-kubernetes-administrator-cka/" target="_blank" class="button">인증으로 이동하기</a>
+          <a href="https://training.linuxfoundation.org/certification/certified-kubernetes-administrator-cka/" target="_blank" class="button">인증으로 이동하기</a>
         </center>
       </div>
     </div>