Update build_test_and_push.yml

Author: thomashopf

.github/workflows/build_test_and_push.yml

@@ -44,14 +44,8 @@ jobs:
       with:
         run: coverage run -m unittest discover -s test -p "Test*.py"
         working-directory: ./ #optional
-    - name: Publish evcouplings to test PyPI
-      if: startsWith(github.ref, 'refs/tags')
-      uses: pypa/gh-action-pypi-publish@master
-      with:
-        password: ${{ secrets.PYPI_ACCESS_TOKEN_TEST }}
-        repository_url: https://test.pypi.org/legacy/
     - name: Publish evcouplings to PyPI
-      if: startsWith(github.ref, 'refs/tags')
-      uses: pypa/gh-action-pypi-publish@master
+      uses: pypa/gh-action-pypi-publish@v1.9.0
       with:
+        user: __token__
         password: ${{ secrets.PYPI_ACCESS_TOKEN }}