translate: Updates for file web/xliff/en.xlf in zh_CN (#13481)

Translate web/xliff/en.xlf in zh_CN

100% translated source file: 'web/xliff/en.xlf'
on 'zh_CN'.

Co-authored-by: transifex-integration[bot] <43880903+transifex-integration[bot]@users.noreply.github.com>

web/xliff/zh_CN.xlf

@@ -9643,6 +9643,10 @@ Bindings to groups/users are checked against the user of the event.</source>
 <trans-unit id="s85a91d843c3eb4ad">
   <source>Show inactive users</source>
   <target>显示不活跃的用户</target>
+</trans-unit>
+<trans-unit id="s5787e20cab57b383">
+  <source>Unknown error</source>
+  <target>未知错误</target>
 </trans-unit>
     </body>
   </file>