Don't Allow Pell Grant EFC to be Negative

[CalebPena]

Fixes #3214

🤖 Generated by Copilot at 3d4257f

Summary

🐛📝🔢

This pull request fixes a bug in the pell_grant_efc variable, which could be negative due to negative contributions from the head or the dependent. It adds a max_ function to the formula in policyengine_us/variables/gov/ed/pell_grant/efc/pell_grant_efc.py and updates the changelog accordingly.

pell_grant_efc
max function prevents bugs_
autumn patch released

Walkthrough

• Fix bug where pell_grant_efc could be negative by adding max_ function to formula (link)
• Update changelog entry to indicate patch-level change and bug fix (link)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (13c6389) 99.01% compared to head (6796345) 99.01%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3218   +/-   ##
=======================================
  Coverage   99.01%   99.01%           
=======================================
  Files        1803     1803           
  Lines       26606    26606           
  Branches      158      158           
=======================================
  Hits        26343    26343           
  Misses        225      225           
  Partials       38       38           

Files	Coverage Δ
.../variables/gov/ed/pell_grant/efc/pell_grant_efc.py	100.00% <ø> (ø)

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