Make pre-commit happy

roles/custom/matrix-element-admin/templates/env.j2

@@ -6,4 +6,4 @@ SPDX-License-Identifier: AGPL-3.0-or-later
 
 SERVER_NAME={{ matrix_element_admin_environment_variable_server_name }}
 
-{{ matrix_element_admin_environment_variables_additional_variables }}
+{{ matrix_element_admin_environment_variables_additional_variables }}