Major CI Revamp. #825

Job	Run time
Steam Linux Runtime (SDL2)	1m 20s
iOS/tvOS (SDL3) (iOS, iphoneos, arm64)	54s
FreeBSD (SDL2)	1m 2s
iOS/tvOS (SDL3) (iOS, iphonesimulator, x86_64;arm64)	54s
Fedora Linux MinGW (SDL2)	1m 11s
Fedora Linux MinGW (SDL3)	56s
iOS/tvOS (SDL3) (tvOS, appletvos, arm64)	41s
Debian Linux PPC (SDL2)	1m 40s
iOS/tvOS (SDL3) (tvOS, appletvsimulator, x86_64;arm64)	1m 5s
Debian Linux PPC (SDL3)	58s
Steam Linux Runtime (SDL3)	1m 19s
macOS (x86_64) (SDL2)	30s
macOS (Universal) (SDL3)	1m 15s
Windows MSVC (SDL2)	45s
Windows MSVC (SDL3)	1m 21s
	15m 51s

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