chore: update wording in table column header

templates/administrative/assignment/index.html.twig

@@ -50,7 +50,7 @@
                         {{ knp_pagination_sortable(pagination, 'Jobprofil', 'job_profile.name') }}
                     </th>
                     <th>
-                        {{ knp_pagination_sortable(pagination, 'Bus', 'assignment.pickup') }}
+                        {{ knp_pagination_sortable(pagination, 'Busbegleitung', 'assignment.pickup') }}
                     </th>
                     {% if is_granted('ROLE_ADMIN') %}
                         <th>