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/console/Resources/completion.fish

@@ -0,0 +1,29 @@
+# This file is part of the Symfony package.
+#
+# (c) Fabien Potencier <fabien@symfony.com>
+#
+# For the full copyright and license information, please view
+# https://symfony.com/doc/current/contributing/code/license.html
+
+function _sf_{{ COMMAND_NAME }}
+    set sf_cmd (commandline -o)
+    set c (count (commandline -oc))
+
+    set completecmd "$sf_cmd[1]" "_complete" "--no-interaction" "-sfish" "-a{{ VERSION }}"
+
+    for i in $sf_cmd
+        if [ $i != "" ]
+            set completecmd $completecmd "-i$i"
+        end
+    end
+
+    set completecmd $completecmd "-c$c"
+
+    set sfcomplete ($completecmd)
+
+    for i in $sfcomplete
+        echo $i
+    end
+end
+
+complete -c '{{ COMMAND_NAME }}' -a '(_sf_{{ COMMAND_NAME }})' -f