Release v0.1.13

# Release notes for v0.1.13

Changes since v0.1.12:

- Make Codecov upload non-blocking in PR CI (01220b7) by Skhendle@gmail.com
- Add client coverage tests and make PR CI read-only (768d953) by Skhendle@gmail.com
- style: auto-format code with Black (b26727b) by github-actions
- Sync Python client and docs with latest userverse API (106ca5c) by Skhendle@gmail.com