Update app.py

app.py

@@ -65,7 +65,7 @@ async def on_member_join(member):
         await channel.send(
             content=(
             f"Explore, learn, and automate smarter — welcome to the AI Automation Club, <@{user_id}>!\n"
-            f"👉 Check out <#{announcements_channel_id}> for the latest updates"
+            f"👉 Check out #📢announcements for the latest updates"
             ),
             file=file
         )