Bump pre-commit from 2.2.0 to 2.3.0

Bumps [pre-commit](https://github.com/pre-commit/pre-commit) from 2.2.0 to 2.3.0.
- [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@v2.2.0...v2.3.0)

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

requirements_dev.txt

@@ -3,7 +3,7 @@ black==19.10b0
 coverage==5.0.4
 coveralls==2.0.0
 flake8==3.7.9
-pre-commit==2.2.0
+pre-commit==2.3.0
 pytest==5.4.1
 pytest-cov==2.8.1
 typeguard==2.7.1