chore: update v0.3.6 release notes

[rhamzeh]

Description

References

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 25.30%. Comparing base (d27ef8f) to head (ce6e5a5).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #92      +/-   ##
==========================================
+ Coverage   22.51%   25.30%   +2.79%     
==========================================
  Files          94       94              
  Lines        9758    10148     +390     
==========================================
+ Hits         2197     2568     +371     
- Misses       7308     7322      +14     
- Partials      253      258       +5     

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