py-xml2rfc: updated to 3.19.3

v3.19.3 - 2024-02-04

Bug Fixes

- Silently pass when weasyprint is not installed

Refactors

- Use context managers when opening files

Documentation Changes

- update CHANGELOG.md + py file versions for v3.19.2 [skip ci] (commit by @kesara)
- Update README.md (commit by @kesara)

v3.19.2 - 2024-01-31

Bug Fixes

- Use importlib.metadata
- Use raw string notation for regex
- Improve xml2rfc version information logic
- Treat referencegroup entries similarly to reference entries

Build System

- Use PyPI trusted publishing
- Remove redundant doc publish job
- Give permission to write packages and content to pypi-publish GHA. (commit by @kesara)

Documentation Changes

cd66aec - update CHANGELOG.md + py file versions for v3.19.1 [skip ci] (commit by @kesara)

Chores

- Remove stale bin directory
- Remove stale doc directory
- Use inclusive language

(adam)