Merge pull request #20010 from zhanw15/patch-1

update context in i18n/zh.toml

Author: k8s-ci-robot

i18n/zh.toml

@@ -25,6 +25,9 @@ other = "Stack Overflow"
 [community_twitter_name]
 other = "Twitter"
 
+[community_youtube_name]
+other = "YouTube"
+
 [deprecation_warning]
 other = " 版本的文档已不再维护。您现在看到的版本来自于一份静态的快照。如需查阅最新文档，请点击"
 
@@ -188,4 +191,4 @@ other = "警告："
 other = "接下来"
 
 [input_placeholder_email_address]
-other = "电子邮件地址"
+other = "电子邮件地址"