Update codecov/codecov-action digest to 671740a (#237)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -72,7 +72,7 @@ jobs:
       run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5
+      uses: codecov/codecov-action@671740ac38dd9b0130fbe1cec585b89eea48d3de # v5
       with:
         files: lcov.info
         fail_ci_if_error: true