add lzip support to Unarchiver.ts #255

Job	Run time
stark.com/foo (linux)	37s
toolchain.com (linux)	1m 13s
local-edit-tests	27s
unavailable	16s
pyapp.com/pip (linux)	47s
unit-tests	14s
pyapp.com/poetry (linux)	1m 22s
stark.com/foo@1.2.3 (linux)	36s
git-clone.com (linux)	39s
pc-cmake.com (linux)	31s
fix-machos.com (linux)	30s
version-transformer.com (linux)	35s
stark.com/foo (mac)	51s
toolchain.com (mac)	1m 6s
pyapp.com/pip (mac)	1m 21s
pyapp.com/poetry (mac)	1m 34s
stark.com/foo@1.2.3 (mac)	1m 2s
git-clone.com (mac)	43s
pc-cmake.com (mac)	1m 0s
fix-machos.com (mac)	1m 27s
version-transformer.com (mac)	1m 53s
	18m 44s

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