Bump Faiss commit from 33c0ba5 to 4eecd91

[naveentatikonda]

Description

Bump Faiss commit from 33c0ba5 to 4eecd91 to include AVX512 optimizations added to ScalarQuantizer

Check List

• [ ] New functionality includes testing.
• [ ] New functionality has been documented.
• [ ] API changes companion pull request created.
• [x] Commits are signed per the DCO using --signoff.
• [ ] Public documentation issue/PR created.

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