use uppercase PYPI_PASSWORD

Author: inariksit

.github/workflows/build-python-package.yml

@@ -98,7 +98,7 @@ jobs:
       - name: Publish
         env:
           TWINE_USERNAME: __token__
-          TWINE_PASSWORD: ${{ secrets.pypi_password }}
+          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
         run: |
           ls -la ./dist/  # Debug: Check if wheels exist
           echo "Attempting upload..."