v0.17.1: Fix ingestion import with uninstalled requirements; drop support for `unstructured`

✨ New features and improvements

• After recent refactorings importing ingestion tasks failed with ingestion libraries (docling, marker) not installed. This is fixed by this patch. (#179)

🔴 Bug fixes

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⚠️ Backwards incompatibilities

• unstructured is no longer supported for ingestion. (#179)

📖 Documentation and examples

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👥 Contributors

@rmitsch

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Full Changelog: v0.17.0...v0.17.1