Fix PyPI publish action reference

[masa10-f]

Summary

• replace the unresolved pypa/gh-action-pypi-publish@v1 reference with the supported pypa/gh-action-pypi-publish@release/v1 reference

Root cause

The release workflow failed while GitHub Actions was resolving required actions because the PyPA publisher action does not provide a v1 ref. The supported v1 release branch is release/v1, so no build or publish step could start with the previous reference.

Impact

Future tag-triggered release runs can resolve the PyPI publishing action and proceed to the build and trusted-publishing steps.

Validation

• parsed .github/workflows/publish-to-pypi.yml successfully as YAML
• ran git diff --check
• confirmed the official release/v1 ref exists through the GitHub API
• confirmed no pypa/gh-action-pypi-publish@v1 reference remains

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.23%. Comparing base (4097c52) to head (92cb796).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #235      +/-   ##
==========================================
- Coverage   86.27%   86.23%   -0.05%     
==========================================
  Files          29       29              
  Lines        4635     4635              
  Branches      799      799              
==========================================
- Hits         3999     3997       -2     
- Misses        450      451       +1     
- Partials      186      187       +1     

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