chore: update zh-Hans & zh-Hant translations (#2804)

web/src/locales/zh-Hans.json

@@ -45,6 +45,7 @@
     "image": "图片",
     "language": "语言",
     "learn-more": "了解更多",
+    "file": "文件",
     "link": "链接",
     "mark": "引用",
     "name": "名称",

web/src/locales/zh-Hant.json

@@ -46,6 +46,7 @@
     "inbox": "通知",
     "language": "語言",
     "learn-more": "了解",
+    "file": "檔案",
     "link": "連結",
     "mark": "Mark",
     "name": "名稱",