Update sitemap.xml

Author: Gmac4247

sitemap.xml

@@ -10,7 +10,7 @@
 
     <url>
         <loc>https://basic-geometry.github.io/about</loc>
-        <lastmod>2026-04-14T21:15:23+02:00</lastmod>
+        <lastmod>2026-06-02T09:34:23+02:00</lastmod>
         <priority>0.5</priority>
     </url>