switched poetry installation and python setup in publishing workflow

.github/workflows/publishing.yml

@@ -19,16 +19,16 @@ jobs:
     - name: Fetch all history for all tags and branches
       run: git fetch --prune --unshallow
 
+    - name: Install poetry
+      uses: snok/install-poetry@v1
+    - run: poetry config virtualenvs.prefer-active-python true
+
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
         python-version: '3.8'
         cache: 'poetry'
 
-    - name: Install poetry
-      uses: snok/install-poetry@v1
-    - run: poetry config virtualenvs.prefer-active-python true
-
     - name: Install poetry dynamic version plugin, extracts version number from git tag
       run: |
         pip install poetry-version-plugin