feat(proxy): use os-proxy-config to get system proxy info instead of resolveProxy (#5123)

* feat(proxy): integrate os-proxy-config for system proxy management

- Added os-proxy-config dependency to manage system proxy settings.
- Refactored setSystemProxy method to utilize getSystemProxy for improved proxy handling.

* fix lint error

package.json

@@ -94,6 +94,7 @@
     "jsdom": "^26.0.0",
     "markdown-it": "^14.1.0",
     "officeparser": "^4.1.1",
+    "os-proxy-config": "^1.1.1",
     "proxy-agent": "^6.5.0",
     "tar": "^7.4.3",
     "turndown": "^7.2.0",