Update dependency importlib-metadata to v4.12.0

This MR contains the following updates:

Package	Update	Change
importlib-metadata	minor	==4.11.4 -> ==4.12.0

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Release Notes

python/importlib_metadata

v4.12.0

Compare Source

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

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