Allowing overriding the crate type of libraries. #1329

Job	Run time
Test cxxbridge integration (windows-2022)	1m 18s
Test Windows Cross	1m 2s
Test cxxbridge integration (ubuntu-latest)	41s
Test Corrosion as a Library (windows-2022)	4m 58s
Test cxxbridge integration (macos-13)	52s
Test Corrosion as a Library (ubuntu-latest)	3m 21s
Test MacOS (x86_64, clang, Ninja)	3m 51s
Test Corrosion as a Library (macos-13)	7m 15s
Test MacOS (x86_64, clang, Xcode)	6m 55s
Test Windows GNU (windows-2022, x86_64, gcc, ninja)	4m 39s
Test MacOS (aarch64, clang, Ninja)	4m 36s
Test Windows GNU (windows-2022, x86_64, gcc, make)	4m 25s
Test MacOS (aarch64, clang, Xcode)	7m 19s
Test Windows gnullvm on msys2 (windows-2022, x86_64, Ninja)	2m 40s
Test Windows gnullvm on msys2 (windows-2022, x86_64, MSYS Makefiles)	3m 0s
Test Linux (base) / Test Linux	3m 2s
Test Visual Studio (base) / Test Visual Studio 2022	6m 7s
Test Linux	0s
Test Windows Ninja MSVC	0s
Test Visual Studio	0s
bors-ci-status	1s
	1h 6m 2s

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