Add test cassette for set_knowledge test

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/cassettes/test_base_agent_set_knowledge.yaml

@@ -0,0 +1,77 @@
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+      - Linux
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+      x-stainless-runtime:
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+      x-stainless-runtime-version:
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+    uri: https://api.openai.com/v1/embeddings
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