Update cookiecutter to 2.3.1

[pyup-bot]

This PR updates cookiecutter from 2.3.0 to 2.3.1.

Changelog

2.3.1

Minor Changes

* add checkout details to the context (fixes 1759) (1923) JonZeolla

CI/CD and QA changes

* Update the black pre-commit hook URL and version (1934) kurtmckee
* Use UTF-8 for file reading/writing (1937) rmartin16

Documentation updates

* Add missing "parent dir" symbol in tutorial 2 (1932) tvoirand
* Remove colons from exemplary prompt messages (1912) paduszyk
* docs: add install instruction for Void Linux (1917) tranzystorek-io

Bugfixes

* Fix nested templates in Git repository (1922) BTatlock
* Fix prompt counter. (1940) ericof
* Fix variables with null default not being required (1919) (1920) limtis0

This release is made by wonderful contributors:

BTatlock, JonZeolla, ericof, kurtmckee, limtis0, paduszyk, rmartin16, tranzystorek-io and tvoirand

Links

• PyPI: https://pypi.org/project/cookiecutter
• Changelog: https://data.safetycli.com/changelogs/cookiecutter/
• Repo: https://github.com/cookiecutter/cookiecutter