Add (de)humidifier platform to Honeywell

[mkmer]

Proposed change

Add (de)humidifier platform to Honeywell
Add tests for humidifier platform
Fix stale docs in tests.

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 No humidity control? #127366
• This PR is related to issue:
• Link to documentation pull request: 36158

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.

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

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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.
  Updated by running python3 -m script.gen_requirements_all.
• 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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• I have reviewed two other open pull requests in this repository.

[home-assistant]

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

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[joostlek]

Let's split this into 3 PRs :)

[home-assistant]

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[mkmer]

Testing my GIT skills.... I should rebase this PR after the other 2 are accepted?

[joostlek]

Sure!

[mkmer]

Do I need to add tests go get this in?
I was planning on adding them in a separate PR, but will add them here if they need to be.

[joostlek]

They can be added in here, that would work better as we see the full picture