fix: 🐛 🐛 add missing dev dependencies

Author: maxhoheiser

.github/workflows/test-integration-localstack.yaml

@@ -26,6 +26,9 @@ jobs:
       - name: Deploy infrastructure
         run: |
           bin/deploy.sh
+      - name: Install dependencies
+        run: |
+          pip install pytest
       - name: Run integration tests against LocalStack
         run: |
           python -m pytest tests/integration