Commit a9c626e7f6a81f0949b1e4134e17c8968f13256b cherry-picked some upcoming
Pylint changes related to inclusive terminology. This and the remainder of the
changes relevant to Graphviz (the `extension-pkg-allow-list` option) made their
way into Pylint 2.7.3. By upgrading to 2.7.3 “whitelist” terminology can be
removed from Graphviz’ Pylint configuration.
Note that a9c626e7f6a81f0949b1e4134e17c8968f13256b incorrectly quotes Pylint
commit hashes from PR3961¹ that never made their way into the main Pylint branch
as-is but were rebased. The corresponding commit hashes are: