Remove push trigger from Telegram notifier workflow

- Remove the `push` event trigger from the Telegram Notification workflow in `.github/workflows/telegram-notifier.yaml` to optimize notification settings.

Author: mkdir700

.github/workflows/telegram-notifier.yaml

@@ -1,7 +1,6 @@
 name: Telegram Notification
 
 on:
-  push:
   pull_request:
     types: [opened, closed, reopened]
   issues: