The newly added (copied from English section of the file and in cs section inserted) and translated text is:

        'h2_updates' => 'Updates',
        'updates_1' => 'Updates are available for %s (security and bug fixes) and published on an ongoing basis.',
        'updates_2' => 'You may subscribe to our %s announce list to be notified of these.',
        'updates_3' => 'You can install these from the Mageia Control Center.',

Greetings, Pavel Fric