Refactor config.async_log_exception

[emontnemery]

Proposed change

Refactor config.async_log_exception:

• The function was mainly to format vol.Invalid raised when validating configuration schemas, rename it to async_log_schema_error and make it only support logging instances of vol.Invalid
• Move the functionality logging other exceptions, which is called when a custom validator raises, to a new function async_log_config_validator_error

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:

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

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[emontnemery]

The two renamed functions are used by two custom integrations published on HACS:

bash-5.1# grep -ril --include \*.py async_log_exception
dolezsa/thermal_comfort/custom_components/thermal_comfort/config.py
bash-5.1# grep -ril --include \*.py _format_config_error
Sian-Lee-SA/Home-Assistant-Switch-Manager/custom_components/switch_manager/__init__.py

[MartinHjelmare]

Should we publish a developer blog for the changed names?

[jbouwh]

LGTM,
Thnx @emontnemery 👍

[emontnemery]

Should we publish a developer blog for the changed names?

Since the changed functions are so rarely used, I think it's enough to open issues on the two custom integrations making use of them.