Bump third_party/mbedtls/repo from 5bc604f to 0834c59 (project-chip#37608)

Bumps [third_party/mbedtls/repo](https://github.com/ARMmbed/mbedtls) from `5bc604f` to `0834c59`.
- [Release notes](https://github.com/ARMmbed/mbedtls/releases)
- [Commits](Mbed-TLS/mbedtls@5bc604f...0834c59)

---
updated-dependencies:
- dependency-name: third_party/mbedtls/repo
  dependency-type: direct:production
...

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