Update black requirement from ^20.8b1 to ^21.5b2

[dependabot[bot]]

Updates the requirements on black to permit the latest version.

Release notes

Sourced from black's releases.

21.5b2

Black

• A space is no longer inserted into empty docstrings (#2249)
• Fix handling of .gitignore files containing non-ASCII characters on Windows (#2229)
• Respect .gitignore files in all levels, not only root/.gitignore file (apply .gitignore rules like git does) (#2225)
• Restored compatibility with Click 8.0 on Python 3.6 when LANG=C used (#2227)
• Add extra uvloop install + import support if in python env (#2258)
• Fix --experimental-string-processing crash when matching parens are not found (#2283)
• Make sure to split lines that start with a string operator (#2286)
• Fix regular expression that black uses to identify f-expressions (#2287)

Blackd

• Add a lower bound for the aiohttp-cors dependency. Only 0.4.0 or higher is supported. (#2231)

Packaging

• Release self-contained x86_64 MacOS binaries as part of the GitHub release pipeline (#2198)
• Always build binaries with the latest available Python (#2260)

Documentation

• Add discussion of magic comments to FAQ page (#2272)
• --experimental-string-processing will be enabled by default in the future (#2273)
• Fix typos discovered by codespell (#2228)
• Fix Vim plugin installation instructions. (#2235)
• Add new Frequently Asked Questions page (#2247)
• Fix encoding + symlink issues preventing proper build on Windows (#2262)

Changelog

Sourced from black's changelog.

21.5b2

Black

• A space is no longer inserted into empty docstrings (#2249)
• Fix handling of .gitignore files containing non-ASCII characters on Windows (#2229)
• Respect .gitignore files in all levels, not only root/.gitignore file (apply .gitignore rules like git does) (#2225)
• Restored compatibility with Click 8.0 on Python 3.6 when LANG=C used (#2227)
• Add extra uvloop install + import support if in python env (#2258)
• Fix --experimental-string-processing crash when matching parens are not found (#2283)
• Make sure to split lines that start with a string operator (#2286)
• Fix regular expression that black uses to identify f-expressions (#2287)

Blackd

• Add a lower bound for the aiohttp-cors dependency. Only 0.4.0 or higher is supported. (#2231)

Integrations

• The official Black action now supports choosing what version to use, and supports the major 3 OSes. (#1940)

Packaging

• Release self-contained x86_64 MacOS binaries as part of the GitHub release pipeline (#2198)
• Always build binaries with the latest available Python (#2260)

Documentation

• Add discussion of magic comments to FAQ page (#2272)
• --experimental-string-processing will be enabled by default in the future (#2273)
• Fix typos discovered by codespell (#2228)
• Fix Vim plugin installation instructions. (#2235)
• Add new Frequently Asked Questions page (#2247)
• Fix encoding + symlink issues preventing proper build on Windows (#2262)

21.5b1

Black

• Refactor src/black/__init__.py into many files (#2206)

Documentation

• Replaced all remaining references to the master branch with the main branch. Some additional changes in

... (truncated)

Commits

• See full diff in compare view

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