ci: add phase6 quality gate workflow #333

Job	Run time
unit-tests	27s
unavailable	16s
local-edit-tests	1m 25s
pyapp.com/poetry (linux)	1m 53s
pc-cmake.com (linux)	1m 36s
toolchain.com (linux)	1m 44s
pyapp.com/pip (mac)	1m 5s
fix-machos.com (linux)	1m 42s
toolchain.com (mac)	47s
git-clone.com (linux)	1m 41s
stark.com/foo (mac)	41s
stark.com/foo@1.2.3 (mac)	32s
stark.com/foo@1.2.3 (linux)	1m 40s
pyapp.com/poetry (mac)	57s
fixups.org (linux)	1m 37s
git-clone.com (mac)	31s
pyapp.com/pip (linux)	1m 57s
fixups.org (mac)	28s
fix-machos.com (mac)	49s
stark.com/foo (linux)	1m 41s
pc-cmake.com (mac)	31s
version-transformer.com (linux)	1m 42s
version-transformer.com (mac)	28s
	26m 10s

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