Missing value in versionadded directive

[lex111]

.. versionadded::
    The interactive behavior of the ``make:entity`` command was introduced
    in MakerBundle 1.3.

The result is displayed like this:

Source - https://symfony.com/doc/current/doctrine.html#doctrine-adding-mapping

[javiereguiluz]

@lex111 thanks for reporting this problem! We're fixing it in #9707.