modifying uv installation

Author: Khauneesh-AI

.github/workflows/python-app.yml

@@ -28,7 +28,7 @@ jobs:
     # ---------- reproduce locked env --------------------------------------
     - name: Sync project dependencies from uv.lock
       run: |
-        uv sync --all-extras
+        uv sync --system --all-extras
     
   # ---------- run test suite -----------------------------------
     - name: Run tests and generate coverage report