Update PolicyEngine US to 1.248.2

[nikhilwoodruff]

Update PolicyEngine US to 1.248.2

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.45%. Comparing base (58241ba) to head (6cc22b3).
Report is 16 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2360      +/-   ##
==========================================
- Coverage   77.16%   75.45%   -1.72%     
==========================================
  Files          88       88              
  Lines        3377     3479     +102     
  Branches      366      395      +29     
==========================================
+ Hits         2606     2625      +19     
- Misses        703      784      +81     
- Partials       68       70       +2     

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