fix: embedding based evaluation using openai sdk#1229

chakravarthik27 wants to merge 2 commits intorelease/2.8.0Pacific-AI-Corp/langtest:release/2.8.0from

fix/embedding-based-evaluation-broken-due-to-openai-sdk-updatePacific-AI-Corp/langtest:fix/embedding-based-evaluation-broken-due-to-openai-sdk-updateCopy head branch name to clipboard