build(deps-dev): update isort requirement from <5.0.0 to <6.0.0

[dependabot]

Updates the requirements on isort to permit the latest version.

Release notes

Sourced from isort's releases.

5.7.0 December 30th 2020

• Fixed #1612: In rare circumstances an extra comma is added after import and before comment.
• Fixed #1593: isort encounters bug in Python 3.6.0.
• Implemented #1596: Provide ways for extension formatting and file paths to be specified when using streaming input from CLI.
• Implemented #1583: Ability to output and diff within a single API call to isort.file.
• Implemented #1562, #1592 & #1593: Better more useful fatal error messages.
• Implemented #1575: Support for automatically fixing mixed indentation of import sections.
• Implemented #1582: Added a CLI option for skipping symlinks.
• Implemented #1603: Support for disabling float_to_top from the command line.
• Implemented #1604: Allow toggling section comments on and off for indented import sections.

Changelog

Sourced from isort's changelog.

5.7.0 December 30th 2020

• Fixed #1612: In rare circumstances an extra comma is added after import and before comment.
• Fixed #1593: isort encounters bug in Python 3.6.0.
• Implemented #1596: Provide ways for extension formatting and file paths to be specified when using streaming input from CLI.
• Implemented #1583: Ability to output and diff within a single API call to isort.file.
• Implemented #1562, #1592 & #1593: Better more useful fatal error messages.
• Implemented #1575: Support for automatically fixing mixed indentation of import sections.
• Implemented #1582: Added a CLI option for skipping symlinks.
• Implemented #1603: Support for disabling float_to_top from the command line.
• Implemented #1604: Allow toggling section comments on and off for indented import sections.

5.6.4 October 12, 2020

• Fixed #1556: Empty line added between imports that should be skipped.

5.6.3 October 11, 2020

• Improved packaging of test files alongside source distribution (see: PyCQA/isort#1555).

5.6.2 October 10, 2020

• Fixed #1548: On rare occasions an unecessary empty line can be added when an import is marked as skipped.
• Fixed #1542: Bug in VERTICAL_PREFIX_FROM_MODULE_IMPORT wrap mode.
• Fixed #1552: Pylama test dependent on source layout.

Goal Zero: (Tickets related to aspirational goal of achieving 0 regressions for remaining 5.0.0 lifespan):

• Zope added to integration test suite
• Additional testing of CLI (simulate unseekable streams)

5.6.1 [Hotfix] October 8, 2020

• Fixed #1546: Unstable (non-idempotent) behavior with certain src trees.

5.6.0 October 7, 2020

• Implemented #1433: Provide helpful feedback in case a custom config file is specified without a configuration.
• Implemented #1494: Default to sorting imports within .pxd files.
• Implemented #1502: Improved float-to-top behavior when there is an existing import section present at top-of-file.
• Implemented #1511: Support for easily seeing all files isort will be ran against using isort . --show-files.
• Implemented #1487: Improved handling of encoding errors.
• Improved handling of unsupported configuration option errors (see #1475).
• Fixed #1463: Better interactive documentation for future option.
• Fixed #1461: Quiet config option not respected by file API in some circumstances.
• Fixed #1482: pylama integration is not working correctly out-of-the-box.
• Fixed #1492: --check does not work with stdin source.
• Fixed #1499: isort gets confused by single line, multi-line style comments when using float-to-top.
• Fixed #1525: Some warnings can't be disabled with --quiet.
• Fixed #1523: in rare cases isort can ignore direct from import if as import is also on same line.

Potentially breaking changes:

• Implemented #1540: Officially support Python 3.9 stdlib imports by default.
• Fixed #1443: Incorrect third vs first party categorization - namespace packages.
• Fixed #1486: "Google" profile is not quite Google style.
• Fixed "PyCharm" profile to always add 2 lines to be consistent with what PyCharm "Optimize Imports" does.

... (truncated)

Commits

• 473d150 Merge in lastest from develop for 5.7.0
• a8f4ff3 Regenerate config option docs
• 681b26c Add @​dwanderson-intel, Quentin Santos (@​qsantos), and @​gofr to acknowledgements
• 8372d71 Bump to version 5.7.0
• 3eb14eb 100% test coverage
• 8e70db8 100% test coverage for new identify module
• 0383c36 Fix indented identification isort
• 15502c8 Expose ImportKey from main isort import
• 69a89c0 Add additional identification test cases
• 8b83d56 Fix handling of yield and raise statements in import identification
• Additional commits viewable in compare view

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[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.