update poetry version

Author: linglp

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
       #          install & configure poetry         
       #----------------------------------------------
       - name: Install Poetry
-        uses: snok/install-poetry@v1.1.1
+        uses: snok/install-poetry@v1.2.0
         with:
           virtualenvs-create: true
           virtualenvs-in-project: true