install clang & mold #9

Job	Run time
build / generate-license	41s
build / lint-rust	18s
build / lint-toml	7s
build / lint-python	12s
build / check-crates-patch	0s
build / Source distribution	26m 25s
build / build-macos-x86_64 (3.10)	1h 2m 25s
build / ManyLinux x86_64	17m 45s
build / macOS arm64 & Windows (3.10, macos-latest)	48m 43s
build / ManyLinux arm64	31m 53s
build / macOS arm64 & Windows (3.10, windows-latest)	28m 20s
build / Build docs	9s
build / Merge build artifacts	0s
test	0s
	3h 36m 58s

Provide feedback