Bump candle-flash-attn from be4f920 to 8f27f5c

Bumps [candle-flash-attn](https://github.com/huggingface/candle) from `be4f920` to `8f27f5c`.
- [Commits](huggingface/candle@be4f920...8f27f5c)

---
updated-dependencies:
- dependency-name: candle-flash-attn
  dependency-version: 8f27f5c662dc924fd99e6384547a8944ca4f0b13
  dependency-type: direct:production
...

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Author: dependabot[bot]