minor #16174 Update setup.rst - Symfony 5.4 (BahmanMD)

This PR was squashed before being merged into the 5.4 branch.

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Update setup.rst - Symfony 5.4

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ad1438b Update setup.rst - Symfony 5.4

Author: javiereguiluz

setup.rst

@@ -54,10 +54,10 @@ application:
 .. code-block:: terminal
 
     # run this if you are building a traditional web application
-    $ symfony new my_project_name --version="5.4.x@dev" --full
+    $ symfony new my_project_name --version="5.4.x" --full
 
     # run this if you are building a microservice, console application or API
-    $ symfony new my_project_name --version="5.4.x@dev"
+    $ symfony new my_project_name --version="5.4.x"
 
 The only difference between these two commands is the number of packages
 installed by default. The ``--full`` option installs all the packages that you
@@ -69,10 +69,10 @@ Symfony application using Composer:
 .. code-block:: terminal
 
     # run this if you are building a traditional web application
-    $ composer create-project symfony/website-skeleton:"5.4.x@dev" my_project_name
+    $ composer create-project symfony/website-skeleton:"5.4.x" my_project_name
 
     # run this if you are building a microservice, console application or API
-    $ composer create-project symfony/skeleton:"5.4.x@dev" my_project_name
+    $ composer create-project symfony/skeleton:"5.4.x" my_project_name
 
 No matter which command you run to create the Symfony application. All of them
 will create a new ``my_project_name/`` directory, download some dependencies
@@ -271,14 +271,14 @@ stable version. If you want to use an LTS version, add the ``--version`` option:
     $ symfony new my_project_name --version=next
 
     # you can also select an exact specific Symfony version
-    $ symfony new my_project_name --version=4.4
+    $ symfony new my_project_name --version=5.4
 
 The ``lts`` and ``next`` shortcuts are only available when using Symfony to
 create new projects. If you use Composer, you need to tell the exact version:
 
 .. code-block:: terminal
 
-    $ composer create-project symfony/website-skeleton:"^4.4" my_project_name
+    $ composer create-project symfony/website-skeleton:"^5.4" my_project_name
 
 The Symfony Demo application
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