update conferences

Author: sblauth

source/conferences.rst

@@ -8,6 +8,7 @@ Upcoming activities
 ^^^^
 
 * | **Workshop: Advanced techniques for design optimization in engineering applications**
+  | *Talk: Fluid Dynamical Shape Optimization for Industrial Applications*
   | October 27-31, 2025, Linz, Austria
   | :bdg-link-primary-line:`Workshop website <https://www.ricam.oeaw.ac.at/specsem/specsem2025/workshop2/>`