use a release-indepent command to sign the symfony CLI

Author: xabbuh

setup/symfony_server.rst

@@ -65,11 +65,7 @@ run the Symfony server in the background:
 
     .. code-block:: terminal
 
-        # find the installed version of the Symfony binary
-        $ symfony version
-
-        # change the path to the location of your Symfony binary and replace {version} too
-        $ sudo codesign --force --deep --sign - /opt/homebrew/Cellar/symfony-cli/{version}/bin/symfony
+        $ sudo codesign --force --deep --sign - $(whereis -q symfony)
 
 Enabling PHP-FPM
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