Bump pre-commit from 2.10.1 to 2.11.1 (#17)

Bumps [pre-commit](https://github.com/pre-commit/pre-commit) from 2.10.1 to 2.11.1.
- [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@v2.10.1...v2.11.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -6,4 +6,4 @@ pytest-cov==2.11.1
 freezegun==1.1.0
 
 # formatting
-pre-commit==2.10.1
+pre-commit==2.11.1