minor symfony#10787 Update console.rst: reversing constants (logical purpose) (ajie62)

This PR was submitted for the master branch but it was squashed and merged into the 3.4 branch instead (closes symfony#10787).

Discussion
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Update console.rst: reversing constants (logical purpose)

For logical purpose, I added a `!` right before `$this->requirePassword` in the `configure()` method, otherwise the requirePassword argument would be set as REQUIRED instead of OPTIONAL.

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Commits
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9298445 Update console.rst: reversing constants (logical purpose)

Author: javiereguiluz

console.rst

@@ -84,7 +84,7 @@ available in the ``configure()`` method::
         {
             $this
                 // ...
-                ->addArgument('password', $this->requirePassword ? InputArgument::OPTIONAL : InputArgument::REQUIRED, 'User password')
+                ->addArgument('password', $this->requirePassword ? InputArgument::REQUIRED : InputArgument::OPTIONAL, 'User password')
             ;
         }
     }