Update tickets.mdx

Author: clytaemnestra

src/content/pages/tickets.mdx

@@ -12,6 +12,7 @@ import TicketTiers from "../../components/ticket-tiers/ticket-tiers.astro";
 Discover the latest Python trends, learn from 180+ expert speakers, network with fellow developers, enjoy social events, and explore open spaces to spark new ideas! Organized by the community for the community.
 </div>
 
+<Button url="https://tickets.europython.eu/">Beam me up to the ticket shop!</Button>
 
 ## Where and When?
 🏛️ <a href="/krakow" class="text-primary hover:text-primary-hover underline">Kraków, Poland</a>