Merge pull request #149 from CITCOM-project/PyPI_action_setuptools_upgrade

upgrade setuptools version

Author: christopher-wild

.github/workflows/publish-to-test-pypi.yaml

@@ -22,7 +22,7 @@ jobs:
           pip3 install .
           pip3 install .[pypi]
           pip3 install build
-          pip3 install setuptools>=64
+          pip3 install setuptools --upgrade
           pip3 install setuptools_scm
       - name: Build Package
         run: |