[ncpc2023] update voyado logo

Author: Måns Magnusson

_events/2023-10-07-ncpc.md

@@ -36,7 +36,7 @@ This year your team participates from a single personal computer on site at LTH
 
 ### Sponsors & Prizes
 ![Neo4j logo](/assets/images/2022/Neo4j-logo_color.png){: style="max-width: 250px; padding-right:40px;"}
-![Voyado logo](/assets/images/2022/voyado_logo.png){: style="max-width: 328px; margin-top: -40px; margin-bottom: -40px;"}
+![Voyado logo](/assets/images/2023/voyado-logo-black.png){: style="max-width: 328px; margin-top: -40px; margin-bottom: -40px;"}
 ![Jane Street logo](/assets/images/2023/jane-street-logo.png){: style="max-width: 328px; margin-left:10px; margin-top: 5px;"}
 
 [Neo4j](https://neo4j.com/), [Voyado](https://voyado.com/) and [Jane Street](https://www.janestreet.com/) are the sponsors of NCPC@LTH in 2023.