minor #20586 [Console] Adding associative array (ThomasLandauer)

This PR was merged into the 6.4 branch.

Discussion
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[Console] Adding associative array

Page: https://symfony.com/doc/6.4/components/console/helpers/questionhelper.html#let-the-user-choose-from-a-list-of-answers

Commits
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b9e2005 [Console] Adding associative array

Author: javiereguiluz

components/console/helpers/questionhelper.rst

@@ -128,7 +128,7 @@ but ``red`` could be set instead (could be more explicit)::
         $question = new ChoiceQuestion(
             'Please select your favorite color (defaults to red)',
             // choices can also be PHP objects that implement __toString() method
-            ['red', 'blue', 'yellow'],
+            ['red', 'blue', 'yellow'], // pass an associative array to display custom indices: [3 => 'red', 7 => 'blue']
             0
         );
         $question->setErrorMessage('Color %s is invalid.');