Update isort to 5.10.1

[pyup-bot]

This PR updates isort from 5.9.3 to 5.10.1.

Changelog

5.10.1

- Fixed 1819: Occasional inconsistency with multiple src paths.
- Fixed 1840: skip_file ignored when on the first docstring line

5.10.0

- Implemented 1796: Switch to `tomli` for pyproject.toml configuration loader.
- Fixed 1801: CLI bug (--exend-skip-glob, overrides instead of extending).
- Fixed 1802: respect PATH customization in nested calls to git.
- Fixed 1838: Append only with certain code snippets incorrectly adds imports.
- Added official support for Python 3.10

Potentially breaking changes:
- Fixed 1785: `_ast` module incorrectly excluded from stdlib definition.

Links

• PyPI: https://pypi.org/project/isort
• Changelog: https://pyup.io/changelogs/isort/
• Repo: https://pycqa.github.io/isort/

[coveralls]

Coverage remained the same at 99.772% when pulling 651d57b on pyup-update-isort-5.9.3-to-5.10.1 into 44b5cc8 on main.