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/time.svg

@@ -1 +1,10 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="#AAA" d="M15.1 4.3a13 13 0 0 0-6.2 0c-.3 0-.7-.2-.7-.5v-.4c0-1.2 1-2.3 2.3-2.3h3c1.2 0 2.3 1 2.3 2.3v.3c0 .4-.4.6-.7.6zm5.8 9.7a9 9 0 0 1-17.8 0 9 9 0 0 1 17.8 0zm-4.2 1c0-.6-.4-1-1-1H13V8.4c0-.6-.4-1-1-1s-1 .4-1 1v6.2c0 .6.4 1.3 1 1.3h3.7c.5.1 1-.3 1-.9z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" data-icon-name="icon-tabler-chart-infographic" width="24" height="24" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round" role="img">
+    <title>Time</title>
+    <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+    <circle cx="7" cy="7" r="4"></circle>
+    <path d="M7 3v4h4"></path>
+    <line x1="9" y1="17" x2="9" y2="21"></line>
+    <line x1="17" y1="14" x2="17" y2="21"></line>
+    <line x1="13" y1="13" x2="13" y2="21"></line>
+    <line x1="21" y1="12" x2="21" y2="21"></line>
+</svg>