follow a deprecation warning in the release action (#53)

* deprecation of `_` options in gh-action-pypi-publish

Author: keewis

.github/workflows/pypi.yml

@@ -61,5 +61,5 @@ jobs:
       - name: Publish to PyPI
         uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e
         with:
-          verify_metadata: true
+          verify-metadata: true
           verbose: true