Updated publish yml to latest poetry package

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/setup-python@v1
         with:
           python-version: 3.7
-      - uses: dschep/install-poetry-action@v1.2
+      - uses: snok/install-poetry@v1
       - name: Install and build
         run: |
              python -m ensurepip --user