By Julie Zhu and Yilei Sun HONG KONG/BEIJING (Reuters) – Didi Global is preparing to relaunch its ride-hailing and other apps in China by the end of the year in anticipation that Beijing’s cybersecurity investigation into the company will be wrapped up by then, three people directly involved in the relaunch said. The people, who declined to be identified as the information was private, said they expected China’s cyberspace regulator to finalise any penalties on the company in December. The company has set aside 10 billion yuan ($1.6 billion) for a potential fine, said one of the sources. In July,…