Support reloading the group notify platform

[bdraco]

WTH: https://community.home-assistant.io/t/why-the-heck-is-a-restart-needed-for-each-an-every-change-to-configuration-yaml/219630/10?u=bdraco

Frontend PR home-assistant/frontend#6759

Proposed change

Support reloading the group notify platform

Add support to resetup notify platforms

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)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example entry for configuration.yaml:

# Example configuration.yaml

Additional information

• This PR fixes or closes issue: fixes #
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• The code change is tested and works locally.
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• Tests have been added to verify that the new code works.

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[bdraco]

Unrelated test failure is #39519

[bdraco]

Unrelated test failure is #39523

[bdraco]

Thanks @balloob. Unblocked now 😄

[raman325]

@bdraco I can't say for sure, but I suspect something about the change here has led to: #40184

The apprise code hasn't been changed in a while and the function call that's triggering the warning is within send_message so it shouldn't be a problem with the apprise integration itself. Mind taking a look?

[bdraco]

@raman325 This one is odd since the code to call send_message hasn't changed either.

    def send_message(self, message, **kwargs):
        """Send a message.

        kwargs can contain ATTR_TITLE to specify a title.
        """
        raise NotImplementedError()

    async def async_send_message(self, message: Any, **kwargs: Any) -> None:
        """Send a message.

        kwargs can contain ATTR_TITLE to specify a title.
        """
        await self.hass.async_add_job(partial(self.send_message, message, **kwargs))  # type: ignore

[raman325]

Yeah I can't make sense of it. Could it be a false firing of the error?