Fix GitHub action install-poetry version

Author: darrenburns

.github/workflows/pythonpackage.yml

@@ -20,9 +20,9 @@ jobs:
           python-version: ${{ matrix.python-version }}
           architecture: x64
       - name: Install and configure Poetry
-        uses: snok/install-poetry@v1.1.6
+        uses: snok/install-poetry@v1.3.3
         with:
-          version: 1.3.3
+          version: 1.2.2
           virtualenvs-in-project: true
       - name: Install dependencies
         run: poetry install --extras "dev"