fix: Fixed typos in --about plain text output

[edgarrmondragon]

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📚 Documentation preview 📚: https://meltano-sdk--2592.org.readthedocs.build/en/2592/

[codspeed-hq]

CodSpeed Performance Report

Merging #2592 will not alter performance

_{Comparing edgarrmondragon/chore/about-typo (060009e) with main (87d78b3)}

Summary

✅ 6 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.47%. Comparing base (87d78b3) to head (060009e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2592   +/-   ##
=======================================
  Coverage   89.47%   89.47%           
=======================================
  Files          58       58           
  Lines        4798     4798           
  Branches      936      936           
=======================================
  Hits         4293     4293           
  Misses        352      352           
  Partials      153      153           

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