Migrate to Duende.IdentityModel

[natelaff]

Checklist

• I have looked into the Readme and the documentation, and have not found a suitable solution or answer.
• I have looked into the API documentation and have not found a suitable solution or answer.
• I have searched the issues and have not found a suitable solution or answer.
• I have searched the Auth0 Community forums and have not found a suitable solution or answer.
• I agree to the terms within the Auth0 Code of Conduct.

Describe the problem you'd like to have solved

IdentityModel has been archived and moved to Duende FOSS repro and continued development is now under Duende.IdentityModel

https://github.com/DuendeSoftware/foss/tree/main/identity-model/

Migrate to use this library to avoid package conflicts and dependencies on older versions on Microsoft.IdentityModel

Describe the ideal solution

Migrate from IdentityModel to Duende.IdentityModel

Alternatives and current workarounds

No response

Additional context

No response