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](pre-commit/pre-commit@v2.6.0...v2.7.1)

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

Author: dependabot[bot]

poetry.lock

@@ -34,7 +34,7 @@ typeguard = "^2.9.1"
 xdoctest = "^0.13.0"
 sphinx = "^3.2.1"
 sphinx-autobuild = "^0.7.1"
-pre-commit = "^2.6.0"
+pre-commit = "^2.7.1"
 flake8 = "^3.8.3"
 black = "^19.10b0"
 flake8-bandit = "^2.1.2"