Home connect light generalization and RGB support

[Diegorro98]

Breaking change

Proposed change

Abstracted the Home Connect light entity to include under the same class all the types of lights. RGB feature support. Translations for light entities

Type of change

• [ ] Dependency upgrade
• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New integration (thank you!)
• [X] 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)
• [X] Code quality improvements to existing code or addition of tests

Additional information

This PR will be on draft until #126143 is closed so rebase will be available, but can be already reviewed

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.
• [X] I have followed the development checklist
• [X] I have followed the perfect PR recommendations
• [X] The code has been formatted using Ruff (ruff format homeassistant tests)
• [X] 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:

• [X] The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• [X] New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• [X] For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.

To help with the load of incoming pull requests:

• [ ] I have reviewed two other open pull requests in this repository.

[home-assistant[bot]]

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

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