Add warning note to tickets page (#1320)

http://localhost:4321/tickets#ticket-prices

---------

Co-authored-by: Mia Bajić <[email protected]>

Author: nikoshell

src/content/pages/tickets.mdx

@@ -49,10 +49,11 @@ As a non-profit, every ticket you buy goes back into the Python community. Wheth
 
 
 ## Ticket Prices
-Regular tickets are available until June 27, 2025—late-bird rates apply after.
 
 Combined tickets are **limited to 300** due to tutorial capacity!
 
+<Note type="warning">Regular tickets are available until <b>June 27, 2025</b> — late-bird rates apply after.</Note>
+
 <TicketTiers ticketShopLink="https://tickets.europython.eu/" />