fix: test job in deployment file

.forgejo/workflows/deploy.yml

@@ -11,21 +11,13 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Python einrichten
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'   # eure Version anpassen
-
       - name: Dependencies installieren
         run: |
-          python -m venv .venv
-          source .venv/bin/activate
-          pip install -r requirements.txt --no-cache-dir
+          python3 -m venv .venv
+          .venv/bin/pip install -r requirements.txt --no-cache-dir
 
       - name: Tests ausführen
-        run: |
-          source .venv/bin/activate
-          pytest tests/ -v
+        run: .venv/bin/pytest tests/ -v
 
   deploy:
     runs-on: ubuntu-latest