Empty Telemetry Attributes in OAuth2Client

[jimmyjames]

Checklist

• I have looked into the README and have not found a suitable solution or answer.
• I have looked into the 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 upgraded to the latest version of OpenFGA and the issue still persists.
• I have searched the Slack community and have not found a suitable solution or answer.
• I agree to the terms within the OpenFGA Code of Conduct.

Description

The OAuth2Client sends a hard-coded empty attributes map when recording telemetry

Expectation

Configured and applicable attributes should be recorded when making credentials requests

Reproduction

Observe that attributes is hard-coded to an empty map: https://github.com/openfga/java-sdk/blob/main/src/main/java/dev/openfga/sdk/api/auth/OAuth2Client.java#L71

OpenFGA SDK version

any

OpenFGA version

any

SDK Configuration

any

Logs

No response

References

Discovered while investigating #201