Translations update from Weblate (#2850)

Co-authored-by: Eric <spice2wolf@gmail.com>
Co-authored-by: Allan Nordhøy <epost@anotheragency.no>
Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: Wellington Terumi Uemura <wellingtonuemura@gmail.com>
Co-authored-by: Anders Johansson <johansson@aljmedia.se>
Co-authored-by: Oğuz Ersen <oguzersen@protonmail.com>
Co-authored-by: Roman Shabanov <romash2605@gmail.com>
Co-authored-by: Simona Iacob <s@zp1.net>
Co-authored-by: Milo Ivir <mail@milotype.de>
Co-authored-by: Artem <Localizer_in_Russian@protonmail.com>
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translations/messages.zh_CN.xlf

@@ -580,7 +580,7 @@
       </trans-unit>
       <trans-unit id="label.avatar">
         <source>label.avatar</source>
-        <target>资料照片</target>
+        <target>资料照片（URL）</target>
       </trans-unit>
       <trans-unit id="label.active">
         <source>label.active</source>
@@ -1215,6 +1215,10 @@
         <source>stats.percentUsedLeft_month</source>
         <target>%percent%% 已使用（%left% 本月仍空余）</target>
       </trans-unit>
+      <trans-unit id="action.add">
+        <source>action.add</source>
+        <target>添加</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>