minor symfony#7086 Update bug documentation input console /console/input.rst (Quiss)

This PR was submitted for the master branch but it was merged into the 2.7 branch instead (closes symfony#7086).

Discussion
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Update bug documentation input console /console/input.rst

Commits
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b965e47 Update bug documintation input console /console/input.rst

Author: xabbuh

console/input.rst

@@ -41,7 +41,7 @@ You now have access to a ``last_name`` argument in your command::
         {
             $text = 'Hi '.$input->getArgument('name');
 
-            $lastName = $input->getArgument('last_name')
+            $lastName = $input->getArgument('last_name');
             if ($lastName) {
                 $text .= ' '.$lastName;
             }