Update python-unit-tests.yml (google#257)

fix test dependency

Author: hangfei

.github/workflows/python-unit-tests.yml

@@ -29,11 +29,11 @@ jobs:
       run: |
         uv venv .venv
         source .venv/bin/activate
-        uv sync --extra test
+        uv sync --extra test --extra eval
 
     - name: Run unit tests with pytest
       run: |
         source .venv/bin/activate
         pytest tests/unittests \
           --ignore=tests/unittests/tools/google_api_tool/test_googleapi_to_openapi_converter.py \
-          --ignore=tests/unittests/artifacts/test_artifact_service.py
+          --ignore=tests/unittests/artifacts/test_artifact_service.py