9.4.0.3 Beta Release

What's Changed

Improvement ✨

• Add VID&PID of "DFRduino Mega 2560" to the boards list by @tigert in #825

Other Changes ⚡

• Fix problem with exception for interpolation (9.4.0.2) by @DocMoebiuz in #834
• Updated Solution to NET4.8 by @DocMoebiuz in #836
• Use MobiFlightType instead of Type by @neilenns in #824

Full Changelog: 9.4.0.2...9.4.0.3