feat: A warning is now emitted when no streams are selected

[edgarrmondragon]

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📚 Documentation preview 📚: https://meltano-sdk--2791.org.readthedocs.build/en/2791/

[codspeed-hq]

CodSpeed Performance Report

Merging #2791 will not alter performance

_{Comparing 2779-failwarn-when-there-are-no-selected-streams (d1d4287) with main (e2a78e9)}

Summary

✅ 7 untouched benchmarks

[codecov]

Codecov Report

Attention: Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.33%. Comparing base (e2a78e9) to head (d1d4287).

Files with missing lines	Patch %	Lines
singer_sdk/tap_base.py	80.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2791      +/-   ##
==========================================
+ Coverage   91.27%   91.33%   +0.05%     
==========================================
  Files          62       62              
  Lines        5182     5192      +10     
  Branches      669      670       +1     
==========================================
+ Hits         4730     4742      +12     
+ Misses        319      317       -2     
  Partials      133      133              

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