update: community release notifier telegram message format to markdown

Author: UnschooledGamer

.github/workflows/community-release-notifier.yml

@@ -119,7 +119,7 @@ jobs:
             ${{ steps.vars.outputs.announce }}
 
             ${{ steps.vars.outputs.body_safe }}
-          parse_mode:       MarkdownV2
+          format: markdown
           disable_web_page_preview: true
           # Only needed for topic-enabled supergroups/channels
           message_thread_id: ${{ secrets.TELEGRAM_MESSAGE_THREAD_ID }}