chore(deps): update codecov/codecov-action digest to 671740a

Author: renovate[bot]

.github/workflows/tests.yaml

@@ -15,6 +15,6 @@ jobs:
       - run: uv run ./bin/lint
       - run: uv run ./bin/test
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5
+        uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}