Bump pre-commit from 2.19.0 to 2.20.0 (#197)

Bumps [pre-commit](https://github.com/pre-commit/pre-commit) from 2.19.0 to 2.20.0.
- [Release notes](https://github.com/pre-commit/pre-commit/releases)
- [Changelog](https://github.com/pre-commit/pre-commit/blob/main/CHANGELOG.md)
- [Commits](pre-commit/pre-commit@v2.19.0...v2.20.0)

---
updated-dependencies:
- dependency-name: pre-commit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

requirements_test.txt

@@ -20,6 +20,6 @@ flake8-black==0.3.3
 flake8-isort==4.1.1
 flake8-quotes==3.3.1
 check-jsonschema==0.17.0
-pre-commit==2.19.0
+pre-commit==2.20.0
 pre-commit-hooks==4.3.0
 toml==0.10.2