Minor: Update release date in changelog

Author: ywarnier

documentation/changelog.html

@@ -111,7 +111,7 @@ <h1>Chamilo&nbsp;Changelog</h1>
     </table>
     <div class="version" aria-label="1.11.22">
         <a id="1.11.22"></a>
-        <h1>Chamilo 1.11.22 - Morella, 2nd of August 2023</h1>
+        <h1>Chamilo 1.11.22 - Morella, 3rd of August 2023</h1>
         <h3>Release notes - summary</h3>
         <p>Chamilo 1.11.22 is mainly a security fix release on top of 1.11.20.</p>
         <h3>Release name</h3>