feat: bump ags version, minor fixes

[victordibia]

Update autogenstudio version.

Why are these changes needed?

Related issue number

Closes #6580

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.54%. Comparing base (955f4f9) to head (05d8103).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6603   +/-   ##
=======================================
  Coverage   79.54%   79.54%           
=======================================
  Files         225      225           
  Lines       16662    16662           
=======================================
  Hits        13254    13254           
  Misses       3408     3408           

Flag	Coverage Δ
unittests	79.54% <ø> (ø)

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