push: ignore finish_connect() error for dry-run mode

Signed-off-by: Jiang Xin <[email protected]>

transport.c

@@ -914,7 +914,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
 	 * which may cause an error for `finish_connect()`. Ignore this error
 	 * for atomic git-push.
 	 */
-	if (ret || args.atomic)
+	if (ret || (args.atomic && args.dry_run))
 		finish_connect(data->conn);
 	else
 		ret = finish_connect(data->conn);