(ci) pin openai version #257

Job	Run time
get-notebooks-cloud	5s
notebooks-cloud (docs/sphinx/source/examples/simplified-retrieval-with-colpali-vlm_Vespa-cloud.ip...	3m 21s
notebooks-cloud (docs/sphinx/source/examples/colbert_standalone_Vespa-cloud.ipynb)	5m 5s
notebooks-cloud (docs/sphinx/source/examples/billion-scale-vector-search-with-cohere-embeddings-c...	1m 26s
notebooks-cloud (docs/sphinx/source/examples/colpali-document-retrieval-vision-language-models-cl...	6m 39s
notebooks-cloud (docs/sphinx/source/examples/feed_performance_cloud.ipynb)	5m 17s
notebooks-cloud (docs/sphinx/source/examples/cohere-binary-vectors-in-vespa-cloud.ipynb)	1m 24s
notebooks-cloud (docs/sphinx/source/examples/Matryoshka_embeddings_in_Vespa-cloud.ipynb)	3m 18s
notebooks-cloud (docs/sphinx/source/examples/turbocharge-rag-with-langchain-and-vespa-streaming-m...	1m 59s
notebooks-cloud (docs/sphinx/source/examples/multilingual-multi-vector-reps-with-cohere-cloud.ipynb)	2m 19s
notebooks-cloud (docs/sphinx/source/examples/mixedbread-binary-embeddings-with-sentence-transform...	7m 51s
notebooks-cloud (docs/sphinx/source/examples/chat_with_your_pdfs_using_colbert_langchain_and_Vesp...	5m 45s
notebooks-cloud (docs/sphinx/source/examples/colbert_standalone_long_context_Vespa-cloud.ipynb)	1m 48s
notebooks-cloud (docs/sphinx/source/getting-started-pyvespa-cloud.ipynb)	2m 31s
notebooks-cloud (docs/sphinx/source/authenticating-to-vespa-cloud.ipynb)	7m 20s
	56m 8s

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