docs: update Dolibarr link

Author: williamdes

.github/api-docs/index.html

@@ -62,7 +62,7 @@ <h1 class="display-4">Doctum</h1>
                 </div>
                 <div class="card">
                     <div class="card-body text-center">
-                        <a href="https://doctum.long-term.support/api-docs/Dolibarr/">Dolibarr</a>
+                        <a href="https://doctum.long-term.support/api-docs/Dolibarr/versions/23.0/[Global_Namespace].html">Dolibarr</a>
                         <br>
                     </div>
                 </div>