Fix SSL renewal script

Regression since 299a8c4c7c

roles/matrix-nginx-proxy/templates/usr-local-bin/matrix-ssl-lets-encrypt-certificates-renew.j2

@@ -19,7 +19,7 @@ docker run \
 	renew \
 		--non-interactive \
 		--work-dir=/tmp \
-		--http-01-port 8080
+		--http-01-port 8080 \
 		{% if matrix_ssl_lets_encrypt_staging %}
 			--staging \
 		{% endif %}