feat(i18n): add zh-CN/en translations for About section

Add localization keys for version check, update, and restart UI
in the Settings About section.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: Mingwwww

ui/src/i18n/locales/en/settings.json

@@ -991,5 +991,18 @@
     "installAriaLabel": "Plugin git repository URL",
     "tab": "tab",
     "runningStatus": "running"
+  },
+  "about": {
+    "title": "About",
+    "version": "Version",
+    "checking": "Checking for updates...",
+    "upToDate": "Up to date",
+    "updateAvailable": "Update available",
+    "updateNow": "Update Now",
+    "updating": "Updating...",
+    "updateComplete": "Update complete!",
+    "updateFailed": "Update failed",
+    "restartToApply": "Restart to Apply",
+    "dismiss": "Dismiss"
   }
 }

ui/src/i18n/locales/zh-CN/settings.json

@@ -985,5 +985,18 @@
     "installAriaLabel": "插件 git 仓库 URL",
     "tab": "标签",
     "runningStatus": "运行中"
+  },
+  "about": {
+    "title": "关于",
+    "version": "版本",
+    "checking": "正在检查更新...",
+    "upToDate": "已是最新版本",
+    "updateAvailable": "有新版本可用",
+    "updateNow": "立即更新",
+    "updating": "更新中...",
+    "updateComplete": "更新完成！",
+    "updateFailed": "更新失败",
+    "restartToApply": "重启以应用",
+    "dismiss": "关闭"
   }
 }