Add select platform to Vogel's MotionMount integration

[RJPoelstra]

Proposed change

This PR adds an additional entity to the Vogel's MotionMount integration.
It allows selection from a list of (user configured) presets. The first preset (0) is a system preset that's always available.
Preset changes are not pushed, so the list is configured to fetch any new preset configuration when the user chooses a preset from the list.

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 #
• This PR is related to issue:
• Link to documentation pull request: Add new platform to Vogel's MotionMount home-assistant.io#30661

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:

• The manifest file has all fields filled out correctly.
  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.
• Untested files have been added to .coveragerc.

To help with the load of incoming pull requests:

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

[joostlek]

Please add one platform at a time

[RJPoelstra]

Hi @joostlek, it isn't even ready for review yet :) I'll adapt it to include only a single platform. Can you comment on the error status sensor already (as mentioned in the additional info section)? Then I can work on that one as well, if needed.

[joostlek]

Sure! Just wanted to give an heads up :)