feat(usePantry): Add support for multiple dists in `distributable`. #304

Job	Run time
unit-tests	21s
integration-tests (zlib.net)	2m 43s
typecheck	18s
integration-tests (openssl.org^1.1 curl.se/ca-certs)	9m 17s
integration-tests (pipenv.pypa.io)	2m 30s
integration-tests (poppler.freedesktop.org/poppler-data)	1m 9s
integration-tests (catb.org/wumpus)	1m 40s
integration-tests (c-ares.org)	8m 37s
integration-tests (vim.org)	12m 50s
integration-tests (curl.se)	28m 6s
	1h 7m 31s

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