⬆️ Bump pre-commit from 2.5.1 to 2.6.0 (#117)

Bumps [pre-commit](https://github.com/pre-commit/pre-commit) from 2.5.1 to 2.6.0.
- [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@v2.5.1...v2.6.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

requirements_dev.txt

@@ -2,7 +2,7 @@ autopep8==1.5.3
 black==19.10b0
 blacken-docs==1.7.0
 pip==20.1.1
-pre-commit==2.5.1
+pre-commit==2.6.0
 twine==3.2.0
 wheel==0.34.2
 yamllint==1.23.0