FFVCL Encoder 10.6 and Player 10.6 Released

2025.01.18 FFVCL Encoder & Player 10.6

[Common]
* update to FFmpeg 7.1.x

[Professional Edition]
* dropped support for macOS

[DLLs]
* FFmpeg DLLs built base on official ffmpeg 7.1
* This version is NOT compatible with previous FFmpeg DLLs.