deps: update dependency importlib-metadata to v4.12.0

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
importlib-metadata	==4.8.3 -> ==4.12.0

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Release Notes

python/importlib_metadata

v4.12.0

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• py-93259: Now raise ValueError when None or an empty
  string are passed to Distribution.from_name (and other
  callers).

v4.11.4

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• #​379: In PathDistribution._name_from_stem, avoid including
  parts of the extension in the result.
• #​381: In PathDistribution._normalized_name, ensure names
  loaded from the stem of the filename are also normalized, ensuring
  duplicate entry points by packages varying only by non-normalized
  name are hidden.

v4.11.3

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• #​372: Removed cast of path items in FastPath, not needed.

v4.11.2

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• #​369: Fixed bug where EntryPoint.extras was returning
  match objects and not the extras strings.

v4.11.1

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• #​367: In Distribution.requires for egg-info, if requires.txt
  is empty, return an empty list.

v4.11.0

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• bpo-46246: Added __slots__ to EntryPoints.

v4.10.1

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v4.10.0

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• #​354: Removed Distribution._local factory. This
  functionality was created as a demonstration of the
  possible implementation. Now, the
  pep517 <https://pypi.org/project/pep517>_ package
  provides this functionality directly through
  pep517.meta.load <https://github.com/pypa/pep517/blob/a942316305395f8f757f210e2b16f738af73f8b8/pep517/meta.py#L63-L73>_.

v4.9.0

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• Require Python 3.7 or later.

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