Pin databind package versions in gh-release CI

[ekzhu]

Why are these changes needed?

Previous PR #2091 only fixed the doc build test, not the gh-release job.

Related issue number

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 ✅

Project coverage is 36.88%. Comparing base (6d2c923) to head (d1401bb).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2094   +/-   ##
=======================================
  Coverage   36.88%   36.88%           
=======================================
  Files          68       68           
  Lines        7062     7062           
  Branches     1540     1540           
=======================================
  Hits         2605     2605           
  Misses       4228     4228           
  Partials      229      229           

Flag	Coverage Δ
unittests	36.88% <ø> (ø)

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