Bump third_party/bouffalolab/repo from d565cad to fe2856c (project-chip#43026)

Bumps [third_party/bouffalolab/repo](https://github.com/bouffalolab/bl_iot_sdk_tiny) from `d565cad` to `fe2856c`.
- [Commits](bouffalolab/bl_iot_sdk_tiny@d565cad...fe2856c)

---
updated-dependencies:
- dependency-name: third_party/bouffalolab/repo
  dependency-version: fe2856cff7012afef33563dc9980e110a752bf21
  dependency-type: direct:production
...

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Author: dependabot[bot]