feat: Conditionally required settings

[edgarrmondragon]

• Docs: https://meltano-sdk--2789.org.readthedocs.build/en/2789/classes/typing/singer_sdk.typing.PropertiesList.html#singer_sdk.typing.PropertiesList
• https://github.com/Matatika/tap-capsulecrm/blob/b7798cea5209369ac1e8b8e4645c26ea82d8cc90/tap_capsulecrm/tap.py#L24-L30
• https://github.com/meltano/hub/blob/5c5228872a27767b18e22dc78f92386065a72500/_data/meltano/extractors/tap-capsulecrm/matatika.yml#L92-L96
• https://json-schema.org/understanding-json-schema/reference/conditionals

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📚 Documentation preview 📚: https://meltano-sdk--2789.org.readthedocs.build/en/2789/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.30%. Comparing base (8638b07) to head (590e22b).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2789      +/-   ##
==========================================
+ Coverage   91.29%   91.30%   +0.01%     
==========================================
  Files          62       62              
  Lines        5190     5197       +7     
  Branches      669      671       +2     
==========================================
+ Hits         4738     4745       +7     
  Misses        319      319              
  Partials      133      133              

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[codspeed-hq]

CodSpeed Performance Report

Merging #2789 will not alter performance

_{Comparing 1519-feat-conditionally-required-settings (590e22b) with main (8638b07)}

Summary

✅ 7 untouched benchmarks