fix deploy workflow

Author: radam9

.github/workflows/build-deploy.yml

@@ -56,6 +56,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Setup python
+        id: setup-python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1.4
         with: