Update dependency black to v23.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
black (changelog)	23.7.0 -> 23.9.0

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Release Notes

psf/black (black)

v23.9.0

Compare Source

Preview style

• More concise formatting for dummy implementations (#​3796)
• In stub files, add a blank line between a statement with a body (e.g an
  if sys.version_info > (3, x):) and a function definition on the same level (#​3862)
• Fix a bug whereby spaces were removed from walrus operators within subscript(#​3823)

Configuration

• Black now applies exclusion and ignore logic before resolving symlinks (#​3846)

Performance

• Avoid importing IPython if notebook cells do not contain magics (#​3782)
• Improve caching by comparing file hashes as fallback for mtime and size (#​3821)

Blackd

• Fix an issue in blackd with single character input (#​3558)

Integrations

• Black now has an
  official pre-commit mirror. Swapping
  https://github.com/psf/black to https://github.com/psf/black-pre-commit-mirror in
  your .pre-commit-config.yaml will make Black about 2x faster (#​3828)
• The .black.env folder specified by ENV_PATH will now be removed on the completion
  of the GitHub Action (#​3759)

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