Fix Pinecone Cohere Integration System Test

[atul-astronomer]

Pinecone Cohere integration system test started failing after Cohere update to 5.13.4 v2 API in PR, this PR fixes this issue.

Testing:
Before

Fix

[boring-cyborg]

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[boring-cyborg]

Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.