Generate pkg-config file during install builds #587

Job	Run time
Linux Backcompat	3m 35s
linux (clang, clang++, Debug)	3m 7s
android (ON, 23.2.8568313)	1m 44s
linux (clang, clang++, Release)	2m 0s
emscripten	3m 17s
linux-asan (gcc, g++, Debug, -fsanitize=address)	7m 9s
android (ON, 25.2.9519653)	1m 36s
linux (gcc, g++, Debug)	12m 39s
linux-asan (gcc, g++, Debug, -fsanitize=thread)	19m 36s
android (OFF, 23.2.8568313)	1m 19s
linux (gcc, g++, Release)	2m 32s
macos (macos-11, clang, clang++, Debug)	13m 47s
android (OFF, 25.2.9519653)	1m 8s
macos (macos-11, clang, clang++, Release)	12m 14s
windows (windows-2019, windows, Debug)	9m 7s
macos (macos-11, gcc, g++, Debug)	12m 49s
macos (macos-11, gcc, g++, Release)	14m 50s
macos (macos-12, clang, clang++, Debug)	12m 40s
windows (windows-2019, windows, Release)	9m 39s
macos (macos-12, clang, clang++, Release)	6m 28s
macos (macos-12, gcc, g++, Debug)	13m 40s
macos (macos-12, gcc, g++, Release)	5m 33s
	2h 50m 29s

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