release: v0.9.0

[ewanharris]

Description

## v0.9.0

### [v0.9.0](https://github.com/openfga/js-sdk/compare/v0.8.1...v0.9.0) (2025-06-03)

- feat: support client assertion for client credentials authentication (#228)

References

openfga/sdk-generator#552

Review Checklist

• I have clicked on "allow edits by maintainers".
• I have added documentation for new/changed functionality in this PR or in a PR to openfga.dev [Provide a link to any relevant PRs in the references section above]
• The correct base branch is being used, if not main
• I have added tests to validate that the change in functionality is working as expected

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.16%. Comparing base (7303103) to head (2662503).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #230   +/-   ##
=======================================
  Coverage   88.16%   88.16%           
=======================================
  Files          23       23           
  Lines        1217     1217           
  Branches      197      197           
=======================================
  Hits         1073     1073           
  Misses         86       86           
  Partials       58       58           

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