Ko: Third Korean l10n work for release-1.20

- Update outdated files in the dev-1.20-ko.3 (1) (#26131)
- Update outdated files in the dev-1.20-ko.3 branch (2) (#26122)

Co-authored-by: seokho-son <shsongist@gmail.com>
Co-authored-by: Jerry Park <jaehwa@gmail.com>

content/ko/docs/reference/command-line-tools-reference/feature-gates.md

@@ -166,7 +166,8 @@ kubelet과 같은 컴포넌트의 기능 게이트를 설정하려면, 기능
 | `StorageVersionHash` | `true` | 베타 | 1.15 | |
 | `Sysctls` | `true` | 베타 | 1.11 | |
 | `TTLAfterFinished` | `false` | 알파 | 1.12 | |
-| `TopologyManager` | `false` | 알파 | 1.16 | |
+| `TopologyManager` | `false` | 알파 | 1.16 | 1.17 |
+| `TopologyManager` | `true` | 베타 | 1.18 | |
 | `ValidateProxyRedirects` | `false` | 알파 | 1.12 | 1.13 |
 | `ValidateProxyRedirects` | `true` | 베타 | 1.14 | |
 | `WindowsEndpointSliceProxying` | `false` | 알파 | 1.19 | |