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

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

server/notification-providers/notifery.js

@@ -42,7 +42,8 @@ class Notifery extends NotificationProvider {
                 "x-api-key": notification.notiferyApiKey,
             };
 
-            await axios.post(url, data, { headers });
+            let config = this.getAxiosConfigWithProxy({ headers });
+            await axios.post(url, data, config);
             return okMsg;
         } catch (error) {
             this.throwGeneralAxiosError(error);