i18n(zh-cn): Update nav/zh-CN.ts & zh-CN.yml (#12308)

Co-authored-by: Yan <[email protected]>

Author: liruifengv

src/content/i18n/zh-CN.yml

@@ -22,7 +22,7 @@ deploy.staticTag: 静态
 # CMS Guides vocabulary
 cms.navTitle: 更多 CMS 指南
 # Media Guides vocabulary
-media.navTitle: 更多 DAM 指南
+media.navTitle: 更多托管媒体指南
 # Migration Guides vocabulary
 migration.navTitle: 更多迁移指南
 # `<RecipeLinks>` vocabulary

src/content/nav/zh-CN.ts

@@ -31,5 +31,5 @@ export default navDictionary({
 	'thirdParty.deployment': '部署指南',
 	'thirdParty.cms': '内容管理系统',
 	'thirdParty.backend': '后端服务',
-	'thirdParty.media': '托管媒体 & DAM',
+	'thirdParty.media': '图像和视频托管',
 });