fix: pdm remove does not handle dependency groups properly

[frostming]

Fixes #3452

Signed-off-by: Frost Ming me@frostming.com

Pull Request Checklist

• A news fragment is added in news/ describing what is new.
• Test cases added for changed code.

Describe what you have changed in this PR.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.58%. Comparing base (01f42ca) to head (4235c98).
Report is 74 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3456   +/-   ##
=======================================
  Coverage   85.58%   85.58%           
=======================================
  Files         112      112           
  Lines       11561    11563    +2     
  Branches     2539     2540    +1     
=======================================
+ Hits         9894     9896    +2     
  Misses       1136     1136           
  Partials      531      531           

Flag	Coverage Δ
unittests	85.38% <100.00%> (+<0.01%)	⬆️

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