build(deps): bump importlib-metadata from 4.0.1 to 6.0.0 in /tools/code_format

[dependabot]

Bumps importlib-metadata from 4.0.1 to 6.0.0.

Changelog

Sourced from importlib-metadata's changelog.

v6.0.0

• #419: Declared Distribution as an abstract class, enforcing definition of abstract methods in instantiated subclasses. It's no longer possible to instantiate a Distribution or any subclasses unless they define the abstract methods.

  Please comment in the issue if this change breaks any projects. This change will likely be rolled back if it causes significant disruption.

v5.2.0

• #371: Deprecated expectation that PackageMetadata.__getitem__ will return None for missing keys. In the future, it will raise a KeyError.

v5.1.0

• #415: Instrument SimplePath with generic support.

v5.0.0

• #97, #284, #300: Removed compatibility shims for deprecated entry point interfaces.

v4.13.0

• #396: Added compatibility for PathDistributions originating from Python 3.8 and 3.9.

v4.12.0

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

v4.11.4

• #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

... (truncated)

Commits

• d66e35a Merge pull request #420 from python/bugfix/419
• 2d52ecd Update changelog. Ref #419.
• 8a9d169 Add ABCMeta to Distribution. Fixes #419.
• 1bf8a7a Add xfail test capturing desired expectation.
• 4a4f062 Correct typo
• cd68fe5 Remove test for 'new style classes', no longer relevant in a world where all ...
• 35da17c Merge https://github.com/jaraco/tidelift
• a6c6660 Put tidelift docs dependency in its own section to limit merge conflicts.
• 4fe7502 Merge pull request #417 from python/debt/deprecate-getitem-none
• 880a621 Mark PackageMetadata.__getitem__ as deprecated for missing values. Ref #371.
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