fix: compatibility issue with copier 8.0+

[frostming]

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-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (16a1b30) 84.27% compared to head (0e26764) 84.27%.

❗ Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2178   +/-   ##
=======================================
  Coverage   84.27%   84.27%           
=======================================
  Files         100      100           
  Lines        9786     9786           
  Branches     2161     2161           
=======================================
  Hits         8247     8247           
  Misses       1065     1065           
  Partials      474      474           

Flag	Coverage Δ
unittests	84.04% <0.00%> (ø)

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

Files Changed	Coverage Δ
src/pdm/cli/commands/init.py	79.54% <0.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.