Bump blacken-docs from 1.10.0 to 1.11.0
Bumps [blacken-docs](https://github.com/asottile/blacken-docs) from 1.10.0 to 1.11.0.
- [Release notes](https://github.com/asottile/blacken-docs/releases)
- [Commits](https://github.com/asottile/blacken-docs/compare/v1.10.0...v1.11.0)
---
updated-dependencies:
- dependency-name: blacken-docs
dependency-type: direct:development
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>