Release 1.30.4 (#3770)

* prevent empty invoice number
* prevent broken invoice filename
* fix recent timesheets for user
* allow to upload twig invoice template

tests/DependencyInjection/ConfigurationTest.php

@@ -325,6 +325,7 @@ class ConfigurationTest extends TestCase
                 ],
                 'simple_form' => false,
                 'number_format' => '{Y}/{cy,3}',
+                'upload_twig' => true,
             ],
             'export' => [
                 'documents' => [