Jaws-libp

- Use Python 3.9 in container

**Full Changelog**: https://github.com/JeffersonLab/jaws-libp/compare/v4.8.2...v4.8.3

- Use pinned dependency versions to avoid build surprises in CI (https://github.com/pypa/packaging.python.org/issues/685)

**Full Changelog**: https://github.com/JeffersonLab/jaws-libp/compare/v4.8.1...v4.8.2

- Updated GitHub Actions workflow

**Full Changelog**: https://github.com/JeffersonLab/jaws-libp/compare/v4.8.0...v4.8.1

- Added support for import overrides from file in `set_override` script
- Added support for filtering overrides by type in `list_overrides` script
- Added ALARM_INSTANCES_URL_CSV env support
- Added ALARM_OVERRIDES env support

**Full Changelog**: https://github.com/JeffersonLab/jaws-libp/compare/v4.7.0...v4.8.0

- Docker healthcheck added to Dockerfile

**Full Changelog**: https://github.com/JeffersonLab/jaws-libp/compare/v4.6.3...v4.7.0

- Drop Zookeeper; bump Kafka and Registry
- Fix docker-entrypoint.sh to call set scripts using shell PATH

**Full Changelog**: https://github.com/JeffersonLab/jaws-libp/compare/v4.6.2...v4.6.3