[FEAT]: support organization level custom_property resource and custom_properties datasource

### Describe the need

Custom properties are defined on an organizational level, and then applied on a repository level. Not all repositories may require custom properties, but, on the other hand some of the custom properties which defined in organization level may marked as required that need to be provided by every repository.

### SDK Version

_No response_

### API Version

_No response_

### Relevant log output

```shell

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### Code of Conduct

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