Update amplbot link

Author: marcos-dv

_templates/article-header-buttons-ampl.html

@@ -2,7 +2,7 @@
 
 <div class="article-header-buttons">
 <!-- Custom Robot Button -->
-<a href="https://chatgpt.com/g/g-68c00de8b030819185be6db190ad7bce-amplbot"
+<a href="https://l.ampl.com/https://chatgpt.com/g/g-68c00de8b030819185be6db190ad7bce-amplbot"
    class="btn btn-sm btn-outline-primary"
    target="_blank"
    rel="noopener">