Bump pre-commit from 2.10.0 to 2.10.1

Bumps [pre-commit](https://github.com/pre-commit/pre-commit) from 2.10.0 to 2.10.1.
- [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@v2.10.0...v2.10.1)

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

requirements/testing.txt

@@ -1,5 +1,5 @@
 -r production.txt
-pre-commit==2.10.0
+pre-commit==2.10.1
 isort==5.7.0
 coveralls==3.0.0
 flake8==3.8.4