Changed bib info for GSSS contraction paper from preprint to published version

Author: Philip-Schaer

_publications/2023-09-16-gsss_contraction.md renamed to _publications/2024-10-11-gsss_contraction.md

@@ -5,6 +5,5 @@ involved:
 
 *A dimension-independent bound on the Wasserstein contraction rate of a geodesic random walk on the sphere*  
 Philip Schär, Thilo Stier  
-Under review.  
-arXiv preprint arXiv:2309.09097  
-[Link to Paper](https://arxiv.org/abs/2309.09097)  
+Electronic Communications in Probability 29, article 62, 2024  
+[Link to Paper](https://doi.org/10.1214/24-ECP631)