refactor(templates): Simplify target template file names with post_gen_project.py hook

[vicmattos]

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📚 Documentation preview 📚: https://meltano-sdk--2061.org.readthedocs.build/en/2061/

[codspeed-hq]

CodSpeed Performance Report

Merging #2061 will not alter performance

_{Comparing vicmattos:main (243b399) with main (f087875)}

Summary

✅ 1 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (353f297) 87.45% compared to head (ceba9fb) 87.45%.
Report is 1 commits behind head on main.

❗ Current head ceba9fb differs from pull request most recent head 243b399. Consider uploading reports for the commit 243b399 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2061   +/-   ##
=======================================
  Coverage   87.45%   87.45%           
=======================================
  Files          58       58           
  Lines        4861     4861           
  Branches      763      763           
=======================================
  Hits         4251     4251           
  Misses        429      429           
  Partials      181      181           

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[edgarrmondragon]

Thanks again @vicmattos!