Add Hailo-8 temperature retrieval

[tigattack]

Proposed change

This change adds temperature retrieval for Hailo-8 devices:

// curl -s localhost:8971/api/stats | jq .service.temperatures
{
  "hailo8": 45.5
}

Type of change

• [ ] Dependency upgrade
• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code
• [ ] Documentation Update

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:

Checklist

• [x] The code change is tested and works locally.
• [x] Local tests pass. Your PR cannot be merged unless tests pass
• [x] There is no commented out code in this PR.
• [ ] UI changes including text have used i18n keys and have been added to the en locale.
• [x] The code has been formatted using Ruff (ruff format frigate)

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