CI: Update macOS jobs to use macOS 14 runners #300

Job	Run time
Run Pre-Checks	5s
Build macOS Dependencies (macos-arm64)	5m 8s
Build macOS Dependencies (macos-x86_64)	5m 48s
Build Qt6 (macOS)	30m 18s
Build FFmpeg for macOS (macos-arm64)	14m 9s
Build FFmpeg for Windows (x64)	4m 1s
Build FFmpeg for macOS (macos-x86_64)	14m 9s
Build Windows Dependencies (x64)	3m 10s
Build FFmpeg for Windows (x86)	12m 34s
Build Windows Dependencies (x86)	2m 4s
Build Qt6 (Windows) (x64, RelWithDebInfo)	25m 53s
Build Qt6 (Windows) (x64, Debug)	21m 33s
Build Qt6 (Windows) (x86, RelWithDebInfo)	25m 38s
Build Qt6 (Windows) (x86, Debug)	2m 59s
Build macOS Dependencies (Universal)	1m 24s
Build FFmpeg (Universal)	2m 12s
Package Windows Qt6 (x64)	1m 39s
Package Windows Qt6 (x86)	1m 40s
Create macOS Qt6 (macos-arm64)	2m 27s
Create macOS Qt6 (macos-x86_64)	2m 43s
Create and upload release	0s
	2h 59m 34s

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