Add unique_id attribute to Alpha2Climate entity

[j-a-n]

Proposed change

Add the unique_id attribute to Alpha2Climate entity

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes integration: moehlenhoff_alpha2 unique_id area missing #70601
• This PR is related to issue:
• Link to documentation pull request:

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[frenck]

I believe the heat area ID is not unique across multiple devices?

[j-a-n]

Perfect, thanks @frenck !

[frenck]

Thanks, @j-a-n 👍