feature: Add an option to enable Telegram to work behind a proxy. (#6125)

Co-authored-by: Frank Elsinga <frank@elsinga.de>

server/notification-providers/smspartner.js

@@ -29,6 +29,7 @@ class SMSPartner extends NotificationProvider {
                     "Accept": "application/json",
                 }
             };
+            config = this.getAxiosConfigWithProxy(config);
 
             let resp = await axios.post(url, data, config);