Bump flake8-rst-docstrings from 0.0.14 to 0.2.3

Bumps [flake8-rst-docstrings](https://github.com/peterjc/flake8-rst-docstrings) from 0.0.14 to 0.2.3.
- [Release notes](https://github.com/peterjc/flake8-rst-docstrings/releases)
- [Commits](peterjc/flake8-rst-docstrings@v0.0.14...v0.2.3)

---
updated-dependencies:
- dependency-name: flake8-rst-docstrings
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]