Update _posts/2025-02-12-Google-Summer-of-Code-2025.md

Co-authored-by: Peter Stadler <[email protected]>

_posts/2025-02-12-Google-Summer-of-Code-2025.md

@@ -10,7 +10,7 @@ Google Summer of Code (GSoC) is an international program where Google provides s
 
 ViFE is excited to apply for GSoC for the first time this year! 🎉  
 
-- Explore our **[project ideas](https://edirom.de/gsoc.html)**.  
+- Explore our **[project ideas]({{'/gsoc.html'  | relative_url }})**.  
 - Connect with our **mentors** and join the discussion in our **[group channel](https://matrix.to/#/#gsoc-public:edirom.de)**.  
 - Need help writing a great proposal? Check out our **[Contributor's Guide]({{'/contributerguide.html'  | relative_url }})**.