feat: skip existing package on Test PyPi

Author: m0nhawk

.github/workflows/publish.yml

@@ -22,6 +22,7 @@ jobs:
     - name: Publish distribution 📦 to Test PyPI
       uses: pypa/gh-action-pypi-publish@v1.3.1
       with:
+        skip_existing: true
         password: ${{ secrets.TEST_PYPI_TOKEN }}
         repository_url: https://test.pypi.org/legacy/
     - name: Publish distribution 📦 to PyPI