Possible typo in Copilot OIDC docs

[yaakov-h]

Code of Conduct

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What article on docs.github.com is affected?

https://docs.github.com/en/copilot/building-copilot-extensions/using-oidc-with-github-copilot-extensions

What part(s) of the article would you like to see updated?

Configure your token exchange endpoint

Issued_token_type looks incongruous and is lowercase in the RFC

Additional information

No response