docs: update CHANGELOG with current changes from main

[ryanpq]

Description

Updating changelog with changes in main since the last release.

References

#146
#145
#155
#158
#160
#162

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 25.71%. Comparing base (f0ce7d8) to head (2221617).
⚠️ Report is 87 commits behind head on main.

❌ Your project status has failed because the head coverage (25.71%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #164   +/-   ##
=======================================
  Coverage   25.71%   25.71%           
=======================================
  Files         104      104           
  Lines       12582    12582           
=======================================
  Hits         3236     3236           
  Misses       9075     9075           
  Partials      271      271           

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