[1/2] Jose Ramos-Horta, President of Timor-Leste, speaks during the Sustainable Development Goals (SDG) Summit at United Nations headquarters in New York City, New York, U.S., September 18, 2023. REUTERS/Caitlin Ochs/File Photo Acquire Licensing Rights SYDNEY, Sept 29 (Reuters) – East Timor has not discussed military cooperation with China in its upgrade of diplomatic ties, President Jose Ramos-Horta said, adding Australia and Indonesia can "sleep at peace" because the island nation won't be a security concern to its neighbours. China's increasing assertiveness in efforts to form security ties with developing countries in close proximity to Australia have raised alarm bells in…