* added hybrid search example
Added an example about hybrid search for faq pipeline on covid dataset
* formatted with back formatter
* renamed document
* fixed
* fixed typos
* added test
added test for hybrid search
* fixed withespaces
* removed test for hybrid search
* fixed pylint
* commented logging
* updated hybrid search example
* release notes
* Update hybrid_search_faq_pipeline.py-815df846dca7e872.yaml
* Update hybrid_search_faq_pipeline.py
* mention hybrid search example in release notes
* reduce installed dependencies in examples test workflow
* do not install cuda dependencies
* skip models if API key not set; delete document indices
* skip models if API key not set; delete document indices
* skip models if API key not set; delete document indices
* keep roberta-base model and inference extra
* pylint
* disable pylint no-logging-basicconfig rule
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Co-authored-by: Julian Risch <julian.risch@deepset.ai>
