Add dumpspirv, currently only supports trace files #814

Job	Run time
FreeBSD	1m 3s
Rocky Linux MinGW	53s
iOS/tvOS SDL3 (iOS, iphoneos, arm64)	50s
Rocky Linux	1m 56s
iOS/tvOS SDL3 (iOS, iphonesimulator, x86_64;arm64)	1m 18s
Rocky Linux MinGW SDL3	48s
iOS/tvOS SDL3 (tvOS, appletvos, arm64)	48s
Debian Linux PPC	1m 41s
Debian Linux PPC SDL3	56s
Rocky Linux SDL3	1m 18s
iOS/tvOS SDL3 (tvOS, appletvsimulator, x86_64;arm64)	53s
macOS (x86_64)	28s
macOS (Universal) SDL3	1m 6s
Windows (MSVC)	1m 11s
	15m 9s

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