Use the username key instead of user

Signed-off-by: Ivan Kanakarakis <[email protected]>

Author: c00kiemon5ter

.travis.yml

@@ -153,7 +153,7 @@ jobs:
       deploy:
         - provider: pypi
           distributions: sdist bdist_wheel
-          user: "__token__"
+          username: "__token__"
           password: "$PYPI_RELEASE_TOKEN"
           on:
             repo: IdentityPython/SATOSA