🐛 fix: use python -m pytest for CI test execution

- Change uv run pytest to uv run python -m pytest
- Ensures pytest module is properly accessible in CI environment
- Fixes 'Failed to spawn: pytest' error

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: kenibrewer

.github/workflows/test-approval-automation.yml

@@ -34,11 +34,11 @@ jobs:
 
       - name: Run tests
         working-directory: .github/workflows/lib
-        run: uv run pytest tests/ -v
+        run: uv run python -m pytest tests/ -v
 
       - name: Run tests with coverage
         working-directory: .github/workflows/lib
-        run: uv run pytest tests/ --cov=. --cov-report=json --cov-report=lcov --cov-report=html
+        run: uv run python -m pytest tests/ --cov=. --cov-report=json --cov-report=lcov --cov-report=html
 
       - name: Upload coverage reports
         uses: codecov/codecov-action@v4