Weekly build for ffmpeg windows arm64

Based off :

• BtbN/FFmpeg-Builds#95
• https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu

Make build of :

• ffmpeg.exe
• ffprobe.exe
• ffplay.exe

from:

• https://github.com/FFmpeg/FFmpeg
• https://github.com/libsdl-org/SDL
• https://code.videolan.org/videolan/x264

build-ffmpeg-main.yml release at releases/tag/main

build-ffmpeg-release6.1.yaml release at releases/tag/v6.1

• 1 Manually trigger the workflow
• 2 Trigger when push
• 3 All workflow is triggered every Monday at midnight (00:00)