2023.3.30 MX40 Pro V1.2.1 Release

[New Features]
1. Brightness overdrive
2. Display mode switching

[Improvements]
1. Support NCP file management of device packs in cabinet library.

[Notes]
1. Currently, only the Coex VMP V1.2.1 and A10s Pro V1.2.1.0 support brightness overdrive and display mode switching functions. Other COEX series products will support them progressively. Please pay attention to the release notes.