Update the version

[rickecon]

• make format and make documentation has been run. (You may also want to run make test.)

This PR updates the version of FiscalSim-US to account for changes in the last PR (PR #89) that fix a typo in a MN variable.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.11%. Comparing base (0a2df88) to head (80b0ec0).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #90   +/-   ##
=======================================
  Coverage   98.11%   98.11%           
=======================================
  Files        1954     1954           
  Lines       28732    28732           
  Branches      150      150           
=======================================
  Hits        28190    28190           
  Misses        508      508           
  Partials       34       34           

Flag	Coverage Δ
unittests	98.11% <ø> (ø)

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