update poetry install.

.github/workflows/release.yml

@@ -26,9 +26,8 @@ jobs:
       run: |
         # install hub so we can create a GitHub release easily.
         sudo apt-get update && sudo apt-get install hub
-        python -m pip install cleo
         # install poetry
-        curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
+        curl -sSL https://install.python-poetry.org | python -
         echo "$HOME/.poetry/bin" >> $GITHUB_PATH && PATH="$HOME/.poetry/bin:$PATH"
         poetry update                                         # install py deps and update poetry.lock
         # Configure git user.