fix: run sdist after tag created

Author: Justin Poehnelt

.releaserc

@@ -15,7 +15,7 @@ plugins:
           to: 'version="${nextRelease.version}"'
   - - "@semantic-release/exec"
     -  prepareCmd: "python3 setup.py sdist && python3 -m twine check dist/*"
-       publishCmd: "python3 -m twine upload dist/*"
+       publishCmd: "python3 setup.py sdist && python3 -m twine upload dist/*"
   - - "@semantic-release/git"
     - assets:
         - "./googlemaps/__init__.py"