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

@@ -1,4 +1,4 @@
-pre-commit==2.2.0
+pre-commit==2.3.0
 pytest==5.4.1
 pytest-asyncio==0.10.0
 sphinx==3.0.3