ci: Qualify constraints file with workspace directory

[edgarrmondragon]

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📚 Documentation preview 📚: https://meltano-sdk--2358.org.readthedocs.build/en/2358/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.78%. Comparing base (2c41fdb) to head (1684bde).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2358      +/-   ##
==========================================
+ Coverage   88.76%   88.78%   +0.02%     
==========================================
  Files          54       54              
  Lines        4771     4772       +1     
  Branches      928      929       +1     
==========================================
+ Hits         4235     4237       +2     
+ Misses        374      372       -2     
- Partials      162      163       +1     

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