README: update best paper link

Author: pmbittner

README.md

@@ -82,7 +82,7 @@ Additionally, there is a screencast available on YouTube, guiding you through th
 
 ## Publications
 
-### Variability-Aware Differencing with DiffDetective (FSE 2024, ⭐ [Best Demo Paper](https://2024.esec-fse.org/track/fse-2024-demonstrations?#Awards) ⭐)
+### Variability-Aware Differencing with DiffDetective (FSE 2024, ⭐ [Best Demo Paper](https://2024.esec-fse.org/info/awards) ⭐)
 
 [![Preprint](https://img.shields.io/badge/Preprint-Read-purple)](https://github.com/SoftVarE-Group/Papers/raw/main/2024/2024-FSE-Bittner.pdf)
 [![Paper](https://img.shields.io/badge/Paper-Read-purple)](https://dl.acm.org/doi/10.1145/3663529.3663813)