replace Mohammad's site link

Author: fraolBatole

_data/alumni.yml

@@ -52,7 +52,7 @@
 - name: Dr. Mohammad Wardat
   status: PhD Summer'23
   email: wardat@iastate.edu
-  site: https://www.cs.iastate.edu/people/mohammad-wardat
+  site: https://www.oakland.edu/secs/directory/wardat/
   img: wardat.jpg
 
 - name: Dr. Sumon Biswas