rename to legacy and unified #1168

Job	Run time
Check code formatting	43s
g2.dat	7s
Check changelog formatting	7s
Lint Commit Message	0s
macOS (x64) using CMake	7m 51s
Ubuntu Linux (jammy, x86_64, portable)	17m 8s
macOS (arm64) using CMake	8m 26s
Debian Linux (bullseye, x86_64, portable)	44m 19s
Ubuntu Linux (jammy, i686, portable)	16m 49s
Android	10m 26s
Ubuntu Linux (AppImage, x86_64)	14m 43s
Ubuntu Linux (jammy, debug, [http, network, flac, vorbis OpenGL] disabled) using clang	13m 18s
Ubuntu Linux (debug) using clang, coverage enabled	14m 20s
Windows (win32)	6m 40s
Ubuntu Linux (Docker)	0s
Windows (win32) using mingw	11m 38s
Windows (x64)	7m 6s
Windows (arm64)	7m 4s
macOS universal app bundle	0s
	3h 0m 45s

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