Bump pydocstyle from 6.0.0 to 6.3.0 (#794)

Bumps [pydocstyle](https://github.com/PyCQA/pydocstyle) from 6.0.0 to 6.3.0.
- [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...6.3.0)

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

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

Author: dependabot[bot]

test-requirements.txt

@@ -1,5 +1,5 @@
 pycodestyle==2.10.0
-pydocstyle==6.0.0
+pydocstyle==6.3.0
 dodgy==0.2.1
 isort==5.12.0
 mypy==1.3.0