Release 0.5.0 - trusted publishing (#203)

Updating `wheels.yml` workflow to trusted publishing

Author: Franz Király

.github/workflows/wheels.yml

@@ -129,6 +129,8 @@ jobs:
     name: Upload wheels to PyPI
     runs-on: ubuntu-latest
     needs: [build_wheels,test_unix_wheels,test_windows_wheels]
+    permissions:
+      id-token: write
 
     steps:
       - uses: actions/download-artifact@v2
@@ -139,6 +141,4 @@ jobs:
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          user: ${{ secrets.PYPI_USERNAME }}
-          password: ${{ secrets.PYPI_PASSWORD }}
           packages_dir: wheelhouse/