update Nebraska 2024 retirement income and social security exclusions

[yuantian0204]

fixes #4795

[yuantian0204]

I run git pull upstream master and it says it's already up to date

[PavelMakarchuk]

refactored the subtractions variable to match code standards by adding a list parameter

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.97%. Comparing base (f57467b) to head (0c1b832). Report is 26 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4847      +/-   ##
==========================================
- Coverage   99.00%   98.97%   -0.03%     
==========================================
  Files        2536     2539       +3     
  Lines       36845    36940      +95     
  Branches      152      158       +6     
==========================================
+ Hits        36479    36563      +84     
- Misses        337      347      +10     
- Partials       29       30       +1     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[MaxGhenis]

test failing

[PavelMakarchuk]

test failing

Interesting, we cant use .inf for thresholds due to the uprating: