Bump pydocstyle from 6.0.0 to 6.1.1 (#34)

Bumps [pydocstyle](https://github.com/PyCQA/pydocstyle) from 6.0.0 to 6.1.1.
- [Release notes](https://github.com/PyCQA/pydocstyle/releases)
- [Changelog](https://github.com/PyCQA/pydocstyle/blob/master/docs/release_notes.rst)
- [Commits](PyCQA/pydocstyle@6.0.0...6.1.1)

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

requirements-dev.txt

@@ -3,7 +3,7 @@ django==3.2.3
 black==21.5b1
 isort==5.8.0
 flake8==3.9.2
-pydocstyle==6.0.0
+pydocstyle==6.1.1
 docformatter==1.4
 coverage==5.5
 autoflake==1.4