Update setuptools to 53.0.0

[pyup-bot]

This PR updates setuptools from 52.0.0 to 53.0.0.

Changelog

53.0.0

-------


Breaking Changes
^^^^^^^^^^^^^^^^
* 1527: Removed bootstrap script. Now Setuptools requires pip or another pep517-compliant builder such as 'build' to build. Now Setuptools can be installed from Github main branch.

Links

• PyPI: https://pypi.org/project/setuptools
• Changelog: https://pyup.io/changelogs/setuptools/
• Repo: https://github.com/pypa/setuptools

[nbraud]

bors r+

[bors]

Build succeeded:

• FreeBSD LANG:C.UTF-8 LC_ALL:C.UTF-8 PYTHON:3.7
• FreeBSD LANG:C.UTF-8 LC_ALL:C.UTF-8 PYTHON:3.8
• FreeBSD LANG:en_US.UTF-8 LC_ALL:en_US.UTF-8 PYTHON:3.6
• Lint
• Linux container:python:3.6-slim
• Linux container:python:3.7-slim
• Linux container:python:3.8-slim
• macOS
• Windows PYTHON:3.6.8
• Windows PYTHON:3.7.9
• Windows PYTHON:3.8.6
• Windows PYTHON:3.9.0