Refactor homematicip_cloud connection

[hahn-th]

Proposed change

Bump to homematicip 2.0.0
https://github.com/hahn-th/homematicip-rest-api/blob/master/CHANGELOG.md

• Complete rewrite of WebSockets connection to get updates with asyncio websockets implementation
• Complete rewrite of Rest Connection use httpx 28.x
• Make the lib async first.
• Implemented a rate limiting connection to avoid throttling by Homematic => Warning at installation of HomeAssistant could be removed

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)
• Deprecation (breaking change to happen in the future)
• 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 Homematic IP Cloud integration not working #138847 Blocking call detected in the HomeMatic IP Cloud Integration #133675
• This PR is related to issue:
• Link to documentation pull request:
• Link to developer documentation pull request:
• Link to frontend pull request:

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• I have followed the perfect PR recommendations
• The code has been formatted using Ruff (ruff format homeassistant tests)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

If the code communicates with devices, web services, or third-party tools:

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  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
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• For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.

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[hahn-th]

@MartinHjelmare
Another question: when adding the integration to HA, there is a warning:

I added a wrapper around the rest-connection-class, which prevents too much requests in a row. How can I get rid of the warning?

[MartinHjelmare]

You can make a PR to remove the file from here:
https://github.com/home-assistant/alerts.home-assistant.io/tree/master/alerts

Comments addressed