fix: fix run env overriding pep582

[frostming]

Pull Request Check List

• 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-commenter]

Codecov Report

Merging #1211 (20e5bc4) into main (e364230) will increase coverage by 0.04%.
The diff coverage is 88.88%.

@@            Coverage Diff             @@
##             main    #1211      +/-   ##
==========================================
+ Coverage   80.88%   80.93%   +0.04%     
==========================================
  Files          93       93              
  Lines        7622     7621       -1     
  Branches     1796     1772      -24     
==========================================
+ Hits         6165     6168       +3     
+ Misses       1098     1096       -2     
+ Partials      359      357       -2     

Flag	Coverage Δ
unittests	80.84% <88.88%> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pdm/cli/commands/run.py	91.13% <88.88%> (+0.93%)	⬆️
pdm/models/repositories.py	78.63% <0.00%> (+0.90%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e364230...20e5bc4. Read the comment docs.

[mgzenitech]

Is this going to be released with 1.x release or 2.x ? Any ideas when? :)

[frostming]

@mgzenitech on 2.0, it would be released around this Friday, if no big breakage happens.