refactor: Use a single source of truth for built-in capabilities

[edgarrmondragon]

• Documentation (display the config property descriptors nicely)
• Code coverage

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📚 Documentation preview 📚: https://meltano-sdk--2505.org.readthedocs.build/en/2505/

[codspeed-hq]

CodSpeed Performance Report

Merging #2505 will not alter performance

_{Comparing edgarrmondragon/refactor/capabilities (c2ca5e2) with main (39e1619)}

Summary

✅ 6 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.63%. Comparing base (39e1619) to head (c2ca5e2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2505      +/-   ##
==========================================
+ Coverage   89.50%   89.63%   +0.12%     
==========================================
  Files          58       60       +2     
  Lines        4804     4803       -1     
  Branches      943      936       -7     
==========================================
+ Hits         4300     4305       +5     
+ Misses        351      347       -4     
+ Partials      153      151       -2     

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