minor #17082 6.1 setup documentation fix (StaffNowa)

This PR was merged into the 6.1 branch.

Discussion
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6.1 setup documentation fix

I think we have a small documentation error for the 6.1 setup.rst file

Commits
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c5a3034 setup documentation fix

Author: javiereguiluz

setup.rst

@@ -49,10 +49,10 @@ application:
 .. code-block:: terminal
 
     # run this if you are building a traditional web application
-    $ symfony new my_project_directory --version="6.0.*" --webapp
+    $ symfony new my_project_directory --version="6.1.*" --webapp
 
     # run this if you are building a microservice, console application or API
-    $ symfony new my_project_directory --version="6.0.*"
+    $ symfony new my_project_directory --version="6.1.*"
 
 The only difference between these two commands is the number of packages
 installed by default. The ``--webapp`` option installs all the packages that you