change is_widowed to is_surviving_spouse

[samantharudra]

Fixes #4710

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.12%. Comparing base (dbe7a06) to head (493c05e).
Report is 77 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5108      +/-   ##
==========================================
+ Coverage   99.01%   99.12%   +0.11%     
==========================================
  Files        2560     2589      +29     
  Lines       37217    37671     +454     
  Branches      159      162       +3     
==========================================
+ Hits        36851    37342     +491     
+ Misses        337      297      -40     
- Partials       29       32       +3     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[PavelMakarchuk]

could you also change the corresponding tests?
For example surviving_spouse_eligible.yaml still uses is_widowed as an input

[PavelMakarchuk]

You should be able to search in the codespace