Fix VCS pip line entry in test suite

[wkunert]

Since pipenv version 2024.3.0, an additional whitespace character is placed between the package name and the @ character (see pypa/pipenv#6282).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.44%. Comparing base (6253fb8) to head (458b7d2).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #453   +/-   ##
=======================================
  Coverage   89.44%   89.44%           
=======================================
  Files          34       34           
  Lines        2406     2406           
=======================================
  Hits         2152     2152           
  Misses        254      254           

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[Gallaecio]

Thanks!