Fix indentation consistency

roles/matrix-bridge-mautrix-whatsapp/templates/systemd/matrix-mautrix-whatsapp.service.j2

@@ -23,7 +23,7 @@ ExecStart=/usr/bin/docker run --rm --name matrix-mautrix-whatsapp \
 			--cap-drop=ALL \
 			--network={{ matrix_docker_network }} \
 			-v {{ matrix_mautrix_whatsapp_config_path }}:/config:z \
-            -v {{ matrix_mautrix_whatsapp_data_path }}:/data:z \
+			-v {{ matrix_mautrix_whatsapp_data_path }}:/data:z \
 			--workdir=/data \
 			{% for arg in matrix_mautrix_whatsapp_container_extra_arguments %}
 			{{ arg }} \