Update public/index.html

public/index.html

@@ -784,7 +784,7 @@
               
               <div class="team-member">
                 <div class="member-img">
-                  <img src="assets/img/team/avatar.png" class="img-fluid" alt="Prof. Dr. Peter Heusch">
+                  <img src="https://www.hft-stuttgart.de/fileadmin/Dateien/Profilbilder/_processed_/7/5/csm_Heusch_Peter_Passbild2_a0059c4a82.jpg" class="img-fluid" alt="Prof. Dr. Peter Heusch">
                 </div>
                 <div class="member-info">
                   <h4>