chore(deps): update codecov/codecov-action action to v5.0.4 (#391)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -46,7 +46,7 @@ jobs:
 
       - if: matrix.python-version == '3.11'
         name: Upload coverage to Codecov
-        uses: codecov/[email protected].3
+        uses: codecov/[email protected].4
         with:
           flags: unittests # optional
           name: coverage # optional