Bump pre-commit from 2.6.0 to 2.7.1

Bumps [pre-commit](https://github.com/pre-commit/pre-commit) from 2.6.0 to 2.7.1.
- [Release notes](https://github.com/pre-commit/pre-commit/releases)
- [Changelog](https://github.com/pre-commit/pre-commit/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pre-commit/pre-commit/compare/v2.6.0...v2.7.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

requirements_test.txt

@@ -2,7 +2,7 @@ black==19.10b0
 coverage==5.3
 flake8==3.8.3
 flake8-docstrings==1.5.0
-pre-commit==2.6.0
+pre-commit==2.7.1
 pylint==2.5.3
 pydocstyle==5.0.2
 pytest==6.0.1