feat(api-keys): add has_expired to MasterAPIKey response

[matthewelwell]

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Changes

Adds "has_expired" to MasterAPIKey serializer.

How did you test this code?

Added a new integration test.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d63a289) 95.92% compared to head (825006b) 95.92%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3432   +/-   ##
=======================================
  Coverage   95.92%   95.92%           
=======================================
  Files        1090     1092    +2     
  Lines       33949    34003   +54     
=======================================
+ Hits        32564    32618   +54     
  Misses       1385     1385           

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