- Updated import paths in `cli.py` to use `deciphon_schema` instead of
`deciphon_core.schema`.
- Bumped version in `pyproject.toml` from `1.0.0` to `1.0.1`.
- Updated `deciphon` and `deciphon-poster` dependencies to newer versions.
- Added `pytest-env` to `dev.dependencies`.
- Configured `XDG_CONFIG_HOME` for testing with `pytest-env`.

These changes enhance compatibility with the latest module updates and improve
testing setups, ensuring the tool's reliability and maintainability.