The June 2021 security patch has arrived for the Mi A2 Lite, courtesy of its V11.0.20.0.QDLMIXM update. V11.0.20.0.QDLMIXM is rolling out now as an OTA, but it may be the Mi A2 Lite's penultimate update.
https://www.notebookcheck.net/The-Xiaomi-Mi-A2-Lite-receives-a-new-update-for-what-could-be-the-penultimate-time.545106.0.html