Add own coordinator to devolo_home_network

[Shutgun]

Proposed change

The fix I tried in https://github.com/home-assistant/core/pull/122847 doesn't work. It seems I have to coordinate the coordinators, which I try by introducing an own coordinator that is tied to a semaphore.

Type of change

• [ ] Dependency upgrade
• [x] 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 #
• This PR is related to issue: https://github.com/home-assistant/core/issues/110555
• Link to documentation pull request:

Checklist

• [x] The code change is tested and works locally.
• [x] Local tests pass. Your PR cannot be merged unless tests pass
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• [ ] Tests have been added to verify that the new code works.

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[home-assistant[bot]]

Hey there @2fake, mind taking a look at this pull request as it has been labeled with an integration (devolo_home_network) you are listed as a code owner for? Thanks!

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[home-assistant[bot]]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks :+1:

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[joostlek]

Putting to draft for the parallel updates

[Shutgun]

I had to add a pylint disable to the device_tracker.py (is this rule new?). Moving the entity to the entity module as suggested would more or less empty the device_tracker.py and hide stuff, that belongs into the device_tracker.py IMHO.