CI: Force-remove pkg-config on macOS runners and install pkgconf #439

Job	Run time
Run Pre-Checks	5s
Run Pre-Checks	5s
Build Qt6 (macOS)	6m 20s
Build Qt6 (macOS)	6m 20s
Build FFmpeg for Windows (x64)	3m 17s
Build FFmpeg for Windows (x64)	3m 17s
Build FFmpeg for macOS (macos-arm64)	1m 8s
Build FFmpeg for macOS (macos-arm64)	14m 4s
Build Windows Dependencies (x64)	3m 23s
Build Windows Dependencies (x64)	3m 23s
Build FFmpeg for macOS (macos-x86_64)	1m 9s
Build FFmpeg for macOS (macos-x86_64)	15m 29s
Build Windows Dependencies (x86)	1m 12s
Build Windows Dependencies (x86)	1m 12s
Build macOS Dependencies (macos-arm64)	6m 39s
Build macOS Dependencies (macos-arm64)	6m 39s
Build Qt6 (Windows) (x64, RelWithDebInfo)	5m 5s
Build Qt6 (Windows) (x64, RelWithDebInfo)	5m 5s
Build macOS Dependencies (macos-x86_64)	5m 41s
Build macOS Dependencies (macos-x86_64)	5m 41s
Build Qt6 (Windows) (x64, Debug)	3m 50s
Build Qt6 (Windows) (x64, Debug)	3m 50s
Build FFmpeg (Universal)	0s
Build FFmpeg (Universal)	6s
Package Windows Qt6 (x64)	11s
Package Windows Qt6 (x64)	11s
Create macOS Qt6 (macos-arm64)	6s
Create macOS Qt6 (macos-arm64)	6s
Create macOS Qt6 (macos-x86_64)	5s
Create macOS Qt6 (macos-x86_64)	5s
Build macOS Dependencies (Universal)	5s
Build macOS Dependencies (Universal)	5s
Create and upload release	0s
Create and upload release	0s
	1h 43m 54s

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