deps.ffmpeg: Switch Windows builds to native build toolchain #242

Job	Run time
Run Pre-Checks	3s
Build Qt6 (macOS)	9m 48s
Build macOS Dependencies (macos-arm64)	8m 0s
Build FFmpeg for Windows (x64)	33m 7s
Build Qt6 (Windows) (x64, RelWithDebInfo)	3m 6s
Build FFmpeg for Windows (x86)	27m 13s
Build Qt6 (Windows) (x64, Debug)	3m 27s
Build macOS Dependencies (macos-x86_64)	5m 43s
Build Qt6 (Windows) (x86, RelWithDebInfo)	3m 0s
Build Qt6 (Windows) (x86, Debug)	3m 12s
Build FFmpeg for macOS (macos-arm64)	19m 22s
Build Windows Dependencies (x64)	12m 6s
Build FFmpeg for macOS (macos-x86_64)	23m 12s
Build Windows Dependencies (x86)	10m 50s
Package Windows Qt6 (x64)	3m 32s
Package Windows Qt6 (x86)	3m 31s
Build macOS Dependencies (Universal)	1m 53s
Create macOS Qt6 (macos-arm64)	3m 38s
Create macOS Qt6 (macos-x86_64)	3m 43s
Build FFmpeg (Universal)	2m 35s
Create and upload release	0s
	3h 1m 1s

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