chore(deps): update codecov/codecov-action action to v5.4.0

Author: renovate[bot]

.github/workflows/feedback.yml

@@ -32,7 +32,7 @@ jobs:
       - run: dart format --set-exit-if-changed .
       - run: flutter analyze
       - run: flutter test --coverage
-      - uses: codecov/codecov-action@v5.3.1
+      - uses: codecov/codecov-action@v5.4.0
 
   build:
     needs: check