Add wp_query_abilities: flexible filtering for registered abilities

[prab18hat]

…#38)

[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.66%. Comparing base (4beab25) to head (bb2f44c).

Additional details and impacted files

@@             Coverage Diff              @@
##              trunk      #85      +/-   ##
============================================
+ Coverage     84.84%   92.66%   +7.81%     
============================================
  Files            16        7       -9     
  Lines           772      218     -554     
  Branches         86       85       -1     
============================================
- Hits            655      202     -453     
+ Misses          117       16     -101     

Flag	Coverage Δ
javascript	92.66% <ø> (ø)
unit	?

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