Update test.yaml

Author: alexferl

.github/workflows/test.yaml

@@ -23,6 +23,6 @@ jobs:
         with:
           python-version: "${{ matrix.python-version }}"
       - name: Install the project
-        run: uv sync --all-extras --dev
+        run: uv sync --frozen --all-extras --dev
       - name: Run tests
         run: uv run python -m unittest