Update Doxygen to

Author: GitHub Actions bot for SimpleITK.github.io

doxygen/latest/html/build_text.js

@@ -1,4 +1,4 @@
 $(function(){
-    document.getElementById("datetime").textContent = "Fri, 25 Apr 2025 06:56:48 +0000"
+    document.getElementById("datetime").textContent = "Thu, 01 May 2025 06:58:02 +0000"
     document.getElementById("projectnumber").textContent = "3.0.0.dev"
 });