Breaking change

The Rain Bird integration has changed the way the "Rain Delay" is managed. The Rain Delay, which pauses irrigation for a specified number of days, is now manage with a Number entity which can be controlled directly from the UI. The existing service call is rainbird.set_rain_delay and the Raindelay sensor have been deprecated. Any existing automations or scripts that make service calls to rainbird.set_rain_delay will need to be replaced with a call to number.set_value. Additionally, the existing service call was updated to require a config entry parameter since it previously had undefined behavior, so it is recommend to move directly to the new number service call.

Proposed change

Add the rain delay number entity, deprecating the sensor and service, as discussed in #85271

This adds the Number entity, and creates an issue in the issue registry to remind users to switch services. The tests were borrowed from existing functionality of the sensor and service.

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 Rain Bird Rain Delay Number entity and remove deprecated sensor/service home-assistant.io#25836

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
• The code has been formatted using Black (black --fast 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.

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