core: fix filter_not_expired not accepting positional arguments (2026.2)

[BeryJu]

(yes this fixes more CI)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.49%. Comparing base (d9f7b5c) to head (95a0bd1).
⚠️ Report is 1 commits behind head on version-2026.2.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@                Coverage Diff                 @@
##           version-2026.2   #22690      +/-   ##
==================================================
+ Coverage           84.94%   93.49%   +8.54%     
==================================================
  Files                 981      981              
  Lines               55618    55618              
==================================================
+ Hits                47246    51999    +4753     
+ Misses               8372     3619    -4753     

Flag	Coverage Δ
conformance	37.11% <33.33%> (+<0.01%)	⬆️
e2e	42.87% <100.00%> (+<0.01%)	⬆️
integration	22.14% <100.00%> (+<0.01%)	⬆️
unit	91.71% <100.00%> (+9.02%)	⬆️
unit-migrate	91.76% <100.00%> (+8.97%)	⬆️

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