N°6934 - Symfony 6.4 - upgrade Symfony bundles to 6.4 (#580)

* Update Symfony lib to version ~6.4.0
* Update code missing return type
* Add an iTop general configuration entry to store application secret (Symfony mandatory parameter)
* Use dependency injection in ExceptionListener & UserProvider classes

lib/symfony/web-profiler-bundle/Resources/views/Icon/router.svg

@@ -1 +1,9 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="#AAA" d="M13 3v18c0 1.1-.9 2-2 2s-2-.9-2-2V3c0-1.1.9-2 2-2s2 .9 2 2zm10.2 1.6l-1.8-1.4c-.2-.3-.6-.2-1-.2H14v5h6.4c.4 0 .8-.3 1.1-.5l1.8-1.6c.3-.3.3-1-.1-1.3zm-3.7 4.8c-.3-.3-.7-.4-1.1-.4H14v5h4.4a2 2 0 0 0 1.1-.3l1.8-1.5c.4-.3.4-.9 0-1.3l-1.8-1.5zM3.5 7c-.4 0-.7 0-1 .3L.7 8.8c-.4.3-.4.9 0 1.3l1.8 1.6c.3.2.6.3 1 .3H8V7H3.5z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" data-icon-name="icon-tabler-directions" width="24" height="24" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+    <path d="M12 21v-4"></path>
+    <path d="M12 13v-4"></path>
+    <path d="M12 5v-2"></path>
+    <path d="M10 21h4"></path>
+    <path d="M8 5v4h11l2 -2l-2 -2z"></path>
+    <path d="M14 13v4h-8l-2 -2l2 -2z"></path>
+</svg>