Fix GH workflow

Author: marcoacierno

.github/workflows/deploy-toolkit.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9.5
+          python-version: 3.9
       - name: Install poetry
         run: pip install poetry
       - name: Metadata