Bump autogenbench version.

[afourney]

Why are these changes needed?

Simply bumps autogenbench's version out of alpha.

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://microsoft.github.io/autogen/docs/Contribute#documentation 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-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0107b52) 32.69% compared to head (c191435) 32.69%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1485   +/-   ##
=======================================
  Coverage   32.69%   32.69%           
=======================================
  Files          42       42           
  Lines        5019     5019           
  Branches     1151     1151           
=======================================
  Hits         1641     1641           
  Misses       3248     3248           
  Partials      130      130           

Flag	Coverage Δ
unittests	32.65% <ø> (ø)

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