fix build artifacts name

Author: LeonieFierz

.github/workflows/pyhton.generate-wrapper.yml

@@ -66,7 +66,7 @@ jobs:
         run: python3 setup.py bdist_wheel
       - uses: actions/upload-artifact@v4
         with:
-          name: py_${{ matrix.py_version }}_${{ matrix.os}}_build
+          name: py_${{ matrix.py-version }}_${{ matrix.os}}_build
           path: python-wrapper/dist/**
           if-no-files-found: error
   py3p8_linux_sdist: