Update Terraform github to v5.23.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github (source)	required_provider	minor	5.22.0 -> 5.23.0

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Release Notes

integrations/terraform-provider-github

### [`v5.23.0`](https://togithub.com/integrations/terraform-provider-github/releases/tag/v5.23.0) [Compare Source](https://togithub.com/integrations/terraform-provider-github/compare/v5.22.0...v5.23.0) #### What's Changed - Add fork attribute to `github_repository` data by [@​davidcorrigan714](https://togithub.com/davidcorrigan714) in [https://github.com/integrations/terraform-provider-github/pull/1647](https://togithub.com/integrations/terraform-provider-github/pull/1647) - make `github_ref` respect `owner` by [@​ksatirli](https://togithub.com/ksatirli) in [https://github.com/integrations/terraform-provider-github/pull/1651](https://togithub.com/integrations/terraform-provider-github/pull/1651) #### New Contributors - [@​davidcorrigan714](https://togithub.com/davidcorrigan714) made their first contribution in [https://github.com/integrations/terraform-provider-github/pull/1647](https://togithub.com/integrations/terraform-provider-github/pull/1647) **Full Changelog**: https://github.com/integrations/terraform-provider-github/compare/v5.22.0...v5.23.0

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