Fix release action environment variable

[da1910]

The env var for the package name is LIBRARY_NAME which is not the one in the pyansys migration guide. This made the attempted release of 2.3 fail.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.28%. Comparing base (2d82e92) to head (9becdf4).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #781   +/-   ##
=======================================
  Coverage   94.28%   94.28%           
=======================================
  Files           7        7           
  Lines         805      805           
=======================================
  Hits          759      759           
  Misses         46       46           

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