chore: add 'all' translation to zh-Hans and zh-Hant (#5333)

Author: taosin

web/src/locales/zh-Hans.json

@@ -18,6 +18,7 @@
     "about": "关于",
     "add": "增加",
     "admin": "管理",
+    "all": "全部",
     "archive": "归档",
     "archived": "已归档",
     "attachments": "附件",

web/src/locales/zh-Hant.json

@@ -18,6 +18,7 @@
     "about": "關於",
     "add": "新增",
     "admin": "管理",
+    "all": "所有",
     "archive": "封存",
     "archived": "已封存",
     "attachments": "附件",