Officially, no. Huawei discontinued major OS updates for the P30 Lite series in 2022. The MAR-LX3BM is permanently on EMUI 10 (Android 10). However, you can:
Warning: This wipes ALL data and can permanently damage your phone if you use the wrong firmware. firmware huawei p30 lite mar-lx3bm
The official firmware for the MAR-LX3BM uses the Huawei proprietary UPDATE.APP format. Key partition images include: Officially, no
The safest method for official updates.