🌐 [i18n-KO] Translated tasks/monocular_depth_estimation.mdx to Korean (#23621)

docs: ko: `tasks/monocular_depth_estimation`

Co-authored-by: Hyeonseo Yun <0525yhs@gmail.com>
Co-authored-by: Sohyun Sim <96299403+sim-so@users.noreply.github.com>
Co-authored-by: Gabriel Yang <gabrielwithhappy@gmail.com>
Co-authored-by: Wonhyeong Seo <wonhseo@kakao.com>
Co-authored-by: Jungnerd <46880056+jungnerd@users.noreply.github.com>

docs/source/ko/_toctree.yml

@@ -62,8 +62,8 @@
         title: 제로샷(zero-shot) 객체 탐지
       - local: tasks/zero_shot_image_classification
         title: 제로샷(zero-shot) 이미지 분류
-      - local: in_translation
-        title: (번역중) Depth estimation
+      - local: tasks/monocular_depth_estimation
+        title: 단일 영상 기반 깊이 추정
     title: (번역중) 컴퓨터 비전
     isExpanded: false
   - sections: